diff --git a/package-lock.json b/package-lock.json
index 2853e08..f532bbf 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -36,8 +36,7 @@
         "ts-node": "^10.9.1",
         "tsup": "^7.2.0",
         "typedoc": "^0.25.1",
-        "typescript": "^5.2.2",
-        "underscore": "^1.13.6"
+        "typescript": "^5.2.2"
       }
     },
     "node_modules/@aashutoshrathi/word-wrap": {
@@ -9034,12 +9033,6 @@
         "url": "https://github.com/sponsors/ljharb"
       }
     },
-    "node_modules/underscore": {
-      "version": "1.13.6",
-      "resolved": "https://registry.npmjs.org/underscore/-/underscore-1.13.6.tgz",
-      "integrity": "sha512-+A5Sja4HP1M08MaXya7p5LvjuM7K6q/2EaC0+iovj/wOcMsTzMvDFbasi/oSapiwOlt252IqsKqPjCl7huKS0A==",
-      "dev": true
-    },
     "node_modules/undici-types": {
       "version": "5.26.5",
       "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-5.26.5.tgz",
diff --git a/package.json b/package.json
index 4995f60..759a730 100644
--- a/package.json
+++ b/package.json
@@ -84,8 +84,7 @@
     "ts-node": "^10.9.1",
     "tsup": "^7.2.0",
     "typedoc": "^0.25.1",
-    "typescript": "^5.2.2",
-    "underscore": "^1.13.6"
+    "typescript": "^5.2.2"
   },
   "keywords": [
     "data",
diff --git a/test/performance/data-structures/queue/deque.test.ts b/test/performance/data-structures/queue/deque.test.ts
index 0939ff3..bf76aec 100644
--- a/test/performance/data-structures/queue/deque.test.ts
+++ b/test/performance/data-structures/queue/deque.test.ts
@@ -1,4 +1,4 @@
-import {Deque} from "../../../../src";
+import {Deque} from '../../../../src';
 import * as Benchmark from 'benchmark';
 
 export const suite = new Benchmark.Suite();
@@ -16,4 +16,4 @@ suite
       deque.push(i);
       deque.shift();
     }
-  })
\ No newline at end of file
+  });
diff --git a/test/performance/data-structures/queue/queue.test.ts b/test/performance/data-structures/queue/queue.test.ts
index 1546ad2..24d21c0 100644
--- a/test/performance/data-structures/queue/queue.test.ts
+++ b/test/performance/data-structures/queue/queue.test.ts
@@ -1,4 +1,4 @@
-import {Queue} from "../../../../src";
+import {Queue} from '../../../../src';
 
 import * as Benchmark from 'benchmark';
 
@@ -17,4 +17,4 @@ suite
       queue.push(i);
       queue.shift();
     }
-  })
\ No newline at end of file
+  });
diff --git a/test/performance/index.ts b/test/performance/index.ts
index bf808d0..29f07b5 100644
--- a/test/performance/index.ts
+++ b/test/performance/index.ts
@@ -2,15 +2,17 @@ import * as Benchmark from 'benchmark';
 import * as path from 'path';
 import * as fs from 'fs';
 import * as fastGlob from 'fast-glob';
-import {numberFix, render} from "./utils";
+import {numberFix, render} from './utils';
 
 const reportDistPath = 'benchmark';
 const testDir = path.join(__dirname, 'data-structures');
 const testFiles = fastGlob.sync(path.join(testDir, '**', '*.test.ts'));
 
-const report: { [key: string]: any } = {};
+const report: {[key: string]: any} = {};
 
-let testFileCount = 0, suiteCount = 0, completedCount = 0;
+let testFileCount = 0,
+  suiteCount = 0,
+  completedCount = 0;
 testFiles.forEach((file: string) => {
   testFileCount++;
   console.log(`testing file ${file}`);
@@ -24,28 +26,30 @@ testFiles.forEach((file: string) => {
       console.log(event.target.toString());
     });
 
-    suite.on('complete', function (this: Benchmark.Suite) {
-      completedCount++;
-      console.log('Fastest is ' + this.filter('fastest').map('name'));
-      report[testName] = this.map((test: Benchmark) => ({
-        'test name': test.name,
-        'time consumption (ms)': numberFix((test.times.period * 1000), 2),
-        'executions per second': numberFix(test.hz, 2),
-        'executed times': numberFix(test.count, 2),
-        'sample arithmetic mean (secs)': numberFix(test.stats.mean, 2),
-        'sample deviation': numberFix(test.stats.deviation, 2),
-      }));
+    suite
+      .on('complete', function (this: Benchmark.Suite) {
+        completedCount++;
+        console.log('Fastest is ' + this.filter('fastest').map('name'));
+        report[testName] = this.map((test: Benchmark) => ({
+          'test name': test.name,
+          'time consumption (ms)': numberFix(test.times.period * 1000, 2),
+          'executions per second': numberFix(test.hz, 2),
+          'executed times': numberFix(test.count, 2),
+          'sample arithmetic mean (secs)': numberFix(test.stats.mean, 2),
+          'sample deviation': numberFix(test.stats.deviation, 2)
+        }));
 
+        // report[testName] = this;
+        console.log(
+          `test file count: ${testFileCount}. suite count: ${suiteCount}. completed suite count: ${completedCount}`
+        );
+        if (completedCount === suiteCount) {
+          if (!fs.existsSync(reportDistPath)) fs.mkdirSync(reportDistPath, {recursive: true});
 
-      // report[testName] = this;
-      console.log(`test file count: ${testFileCount}. suite count: ${suiteCount}. completed suite count: ${completedCount}`)
-      if (completedCount === suiteCount) {
-        if (!fs.existsSync(reportDistPath)) fs.mkdirSync(reportDistPath, {recursive: true});
-
-        const filePath = path.join(reportDistPath, 'report.json');
-        const htmlFilePath = path.join(reportDistPath, 'report.html');
-        fs.writeFileSync(filePath, JSON.stringify(report, null, 2));
-        let html = `<!DOCTYPE html>
+          const filePath = path.join(reportDistPath, 'report.json');
+          const htmlFilePath = path.join(reportDistPath, 'report.html');
+          fs.writeFileSync(filePath, JSON.stringify(report, null, 2));
+          let html = `<!DOCTYPE html>
                         <html lang="en">
                         <head>
                           <meta charset="UTF-8">
@@ -76,32 +80,32 @@ testFiles.forEach((file: string) => {
                             </style>
                         </head>
                         <body>
-                        <div id="j2h">`
-        for (const r in report) {
-          if (report.hasOwnProperty(r)) {
-            html += render(report[r], {
-              '<>': 'table',
-              'html': [
-                {
-                  '<>': 'tr',
-                  'html': [
-                    {'<>': 'td', 'html': '${name}'},
-                    {'<>': 'td', 'html': '${periodMS}'},
-                    {'<>': 'td', 'html': '${mean}'}
-                  ]
-                }
-              ]
-            });
+                        <div id="json-to-html">`;
+          for (const r in report) {
+            if (report.hasOwnProperty(r)) {
+              html += render(report[r], {
+                '<>': 'table',
+                html: [
+                  {
+                    '<>': 'tr',
+                    html: [
+                      {'<>': 'td', html: '${name}'},
+                      {'<>': 'td', html: '${periodMS}'},
+                      {'<>': 'td', html: '${mean}'}
+                    ]
+                  }
+                ]
+              });
+            }
           }
-        }
 
-        html += `</div>
+          html += `</div>
                     </body>
                         </html>`;
-        fs.writeFileSync(htmlFilePath, html);
-        console.log('Performance test report file generated')
-      }
-    })
+          fs.writeFileSync(htmlFilePath, html);
+          console.log('Performance test report file generated');
+        }
+      })
       .run({async: true});
   }
-});
\ No newline at end of file
+});
diff --git a/test/performance/utils/index.ts b/test/performance/utils/index.ts
index a1884f0..feb65e4 100644
--- a/test/performance/utils/index.ts
+++ b/test/performance/utils/index.ts
@@ -1,2 +1,3 @@
 export * from './json2html';
-export * from './number';
\ No newline at end of file
+export * from './number';
+export * from './is';
diff --git a/test/performance/utils/is.ts b/test/performance/utils/is.ts
new file mode 100644
index 0000000..2975299
--- /dev/null
+++ b/test/performance/utils/is.ts
@@ -0,0 +1,56 @@
+export const isNumber = (value: any) => {
+  return typeof value === 'number';
+};
+export const isString = (value: any) => {
+  return typeof value === 'string';
+};
+export const isBoolean = (value: any) => {
+  return typeof value === 'boolean';
+};
+export const isDate = (value: any) => {
+  return value instanceof Date;
+};
+export const isNull = (value: any) => {
+  return value === null;
+};
+export const isUndefined = (value: any) => {
+  return typeof value === 'undefined';
+};
+export const isFunction = (value: any) => {
+  return typeof value === 'function';
+};
+export const isObject = (value: any) => {
+  return typeof value === 'object';
+};
+export const isArray = (value: any) => {
+  return Array.isArray(value);
+};
+
+export const isEqual = (objA: any, objB: any): boolean => {
+  if (objA === objB) {
+    return true;
+  }
+
+  if (typeof objA !== 'object' || typeof objB !== 'object' || objA === null || objB === null) {
+    return false;
+  }
+
+  const keysA = Object.keys(objA);
+  const keysB = Object.keys(objB);
+
+  if (keysA.length !== keysB.length) {
+    return false;
+  }
+
+  for (const key of keysA) {
+    if (!keysB.includes(key)) {
+      return false;
+    }
+
+    if (!isEqual(objA[key], objB[key])) {
+      return false;
+    }
+  }
+
+  return true;
+};
diff --git a/test/performance/utils/json2html.ts b/test/performance/utils/json2html.ts
index e7d8bce..7648fe2 100644
--- a/test/performance/utils/json2html.ts
+++ b/test/performance/utils/json2html.ts
@@ -1,43 +1,38 @@
-import * as _ from "underscore";
+import * as _ from './is';
 
-function toggleJS(options?: { plainHtml?: boolean }): string {
+function toggleJS(options?: {plainHtml?: boolean}): string {
   if (options?.plainHtml) {
-    return "";
+    return '';
   } else {
-    return "onclick=\"j2h.toggleVisibility(this);return false\"";
+    return 'onclick="json-to-html.toggleVisibility(this);return false"';
   }
 }
 
-function makeLabelDiv(
-  options: any,
-  level: number,
-  keyname: string | number,
-  datatype?: string
-): string {
-  if (typeof keyname === "number") {
-    return `<div class='index'><span class='j2h-label'>${keyname}&nbsp;</span></div>`;
-  } else if (typeof keyname === "string") {
-    if (datatype === "array") {
+function makeLabelDiv(options: any, level: number, keyname: string | number, datatype?: string): string {
+  if (typeof keyname === 'number') {
+    return `<div class='index'><span class='json-to-html-label'>${keyname}&nbsp;</span></div>`;
+  } else if (typeof keyname === 'string') {
+    if (datatype === 'array') {
       return `<div class='collapsible level${level}' ${toggleJS(
         options
-      )}><span class='j2h-label'>${keyname}</span></div>`;
-    } else if (datatype === "object") {
+      )}><span class='json-to-html-label'>${keyname}</span></div>`;
+    } else if (datatype === 'object') {
       return `<div class='attribute collapsible level${level}' ${toggleJS(
         options
-      )}><span class='j2h-label'>${keyname}:</span></div>`;
+      )}><span class='json-to-html-label'>${keyname}:</span></div>`;
     } else {
-      return `<div class='leaf level${level}'><span class='j2h-label'>${keyname}:</span></div>`;
+      return `<div class='leaf level${level}'><span class='json-to-html-label'>${keyname}:</span></div>`;
     }
   } else {
-    return "";
+    return '';
   }
 }
 
 function getContentClass(keyname: string | number): string {
-  if (typeof keyname === "string") {
-    return "content";
+  if (typeof keyname === 'string') {
+    return 'content';
   } else {
-    return "";
+    return '';
   }
 }
 
@@ -63,7 +58,7 @@ function isLeafValue(val: any): boolean {
     _.isDate(val) ||
     _.isNull(val) ||
     _.isUndefined(val) ||
-    _.isNaN(val) ||
+    isNaN(val) ||
     _.isFunction(val) ||
     !isPlainObject(val)
   );
@@ -89,12 +84,12 @@ function isTable(arr: any[]): boolean {
   if (arr.length === 0 || !_.isObject(arr[0])) {
     return false;
   } else {
-    let nonCompliant = _.detect(arr, (row) => !isLeafObject(row));
+    let nonCompliant = arr.find(row => !isLeafObject(row));
     if (nonCompliant) {
       return false;
     } else {
-      const cols = _.keys(arr[0]);
-      nonCompliant = _.detect(arr, (row: object) => !_.isEqual(cols, _.keys(row)));
+      const cols = Object.keys(arr[0]);
+      nonCompliant = arr.find((row: object) => !_.isEqual(cols, Object.keys(row)));
       if (nonCompliant) {
         return false;
       } else {
@@ -106,65 +101,61 @@ function isTable(arr: any[]): boolean {
 
 function drawTable(arr: any[]): string {
   function drawRow(headers: string[], rowObj: any): string {
-    return (
-      "<td>" +
-      headers.map((header) => rowObj[header]).join("</td><td>") +
-      "</td>"
-    );
+    return '<td>' + headers.map(header => rowObj[header]).join('</td><td>') + '</td>';
   }
-  const cols = _.keys(arr[0]);
-  const content = arr.map((rowObj) => drawRow(cols, rowObj));
-  const headingHtml = "<tr><th>" + cols.join("</th><th>") + "</th></tr>";
-  const contentHtml = "<tr>" + content.join("</tr><tr>") + "</tr>";
-  return "<table>" + headingHtml + contentHtml + "</table>";
+  const cols = Object.keys(arr[0]);
+  const content = arr.map(rowObj => drawRow(cols, rowObj));
+  const headingHtml = '<tr><th>' + cols.join('</th><th>') + '</th></tr>';
+  const contentHtml = '<tr>' + content.join('</tr><tr>') + '</tr>';
+  return '<table>' + headingHtml + contentHtml + '</table>';
 }
 
-function _render(
-  name: string,
-  data: any,
-  options: any,
-  level: number,
-  altrow: number
-): string {
+function _render(name: string, data: any, options: any, level: number, altrow: number): string {
   const contentClass = getContentClass(name);
   if (_.isArray(data)) {
-    const title = makeLabelDiv(options, level, `${name} (${data.length})`, "array");
+    const title = makeLabelDiv(options, level, `${name} (${data.length})`, 'array');
     let subs: string;
     if (isTable(data)) {
       subs = drawTable(data);
     } else {
-      subs = "<div class='altRows'>" + data
-        .map((val: any, idx: number) => _render(idx.toString(), val, options, level + 1, idx % 2))
-        .join("</div><div class='altRows'>") + "</div>";
+      subs =
+        "<div class='altRows'>" +
+        data
+          .map((val: any, idx: number) => _render(idx.toString(), val, options, level + 1, idx % 2))
+          .join("</div><div class='altRows'>") +
+        '</div>';
     }
-    return `<div class="j2h-collapse clearfix ${altrow}">
+    return `<div class="json-to-html-collapse clearfix ${altrow}">
       ${title}
       <div class="${contentClass}">${subs}</div>
     </div>`;
   } else if (isLeafValue(data)) {
     const title = makeLabelDiv(options, level, name);
     if (_.isFunction(data)) {
-      return `${title}<span class='j2h-value'>&nbsp;&nbsp;-function() can't _render-</span>`;
+      return `${title}<span class='json-to-html-value'>&nbsp;&nbsp;-function() can't _render-</span>`;
     } else if (!isPlainObject(data)) {
       if (_.isFunction(data.toString)) {
-        return `${title}<span class='j2h-value'>&nbsp;&nbsp;${data.toString()}</span>`;
+        return `${title}<span class='json-to-html-value'>&nbsp;&nbsp;${data.toString()}</span>`;
       } else {
-        return `${title}<span class='j2h-value'>&nbsp;&nbsp;-instance object, can't render-</span>`;
+        return `${title}<span class='json-to-html-value'>&nbsp;&nbsp;-instance object, can't render-</span>`;
       }
     } else {
-      return `${title}<span class='j2h-value'>&nbsp;&nbsp;${data}</span>`;
+      return `${title}<span class='json-to-html-value'>&nbsp;&nbsp;${data}</span>`;
     }
   } else {
-    const title = makeLabelDiv(options, level, name, "object");
+    const title = makeLabelDiv(options, level, name, 'object');
     let count = 0;
-    const subs = "<div>" + Object.entries(data)
-      .map(([key, val]) => _render(key, val, options, level + 1, count++ % 2))
-      .join("</div><div>") + "</div>";
-    const inner = `<div class="j2h-expand clearfix ${altrow}">
+    const subs =
+      '<div>' +
+      Object.entries(data)
+        .map(([key, val]) => _render(key, val, options, level + 1, count++ % 2))
+        .join('</div><div>') +
+      '</div>';
+    const inner = `<div class="json-to-html-expand clearfix ${altrow}">
       ${title}
       <div class="${contentClass}">${subs}</div>
     </div>`;
-    return `${level === 0 ? '<div id=\'j2h\'>' : ''}
+    return `${level === 0 ? "<div id='json-to-html'>" : ''}
       ${inner}
       ${level === 0 ? '</div>' : ''}`;
   }
@@ -175,155 +166,155 @@ export function render(json: any, options: any): string {
   return `${_render('', json, options, 0, 0)}`;
 }
 
-const head = `<style>
-#j2h table {
-  border-collapse: collapse;
-}
-#j2h th {
-  color: #888;
-}
-#j2h table,th, td {
-  border: 1px solid #DDD;
-  padding: 10px 5px;
-}
-#j2h th, td {
-  text-align: center;
-}
-#j2h .content {
-  padding-left: 30px;
-  font-family: Arial;
-}
-
-#j2h .index {
-  font-size: 100%;
-  color: #999;
-  float: left;
-}
-#j2h  .clearfix:after {
-  content: ".";
-  display: block;
-  height: 0;
-  clear: both;
-  visibility: hidden;
-}
-#j2h  .j2h-label {
-  font-family: Helvetica Neue;
-  color: #333;
-}
-#j2h  .j2h-value {
-  font-family: Arial;
-  color: #777;
-}
-#j2h .collapsible > .j2h-label:hover {
-  text-decoration: underline;
-}
-#j2h .collapsible > .j2h-label {
-  color: #15C;
-}
-#j2h  .j2h-collapse > div.content {
-  display: none;
-}
-#j2h  .j2h-collapse > .j2h-label {
-  font-weight: bold;
-}
-
-#j2h .j2h-expand  > div > .j2h-label, #j2h .j2h-collapse  > div > .j2h-label {
-  background-repeat: no-repeat;
-  background-position: left;
-  padding-left: 25px;
-  margin: 5px 0px 5px 15px;
-  display: inline-block;
-}
-
-#j2h .j2h-expand  > div > .j2h-label {
-    width: 30px;
-  height: 30px;
-  background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100"><polygon points="50,10 10,90 90,90" fill="blue" /></svg>');
-  background-size: cover;
-  background-position: center;
-}
-
-#j2h .j2h-collapse > div > .j2h-label {
-      width: 30px;
-  height: 30px;
-  background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100"><polygon points="50,10 10,90 90,90" fill="blue" /></svg>');
-  background-size: cover;
-  background-position: center;
-}
-
-#j2h .j2h-collapse > span.collapsible:before {
-  border-radius: 2px;
-  border-color: #A44;
-  border-style: solid;
-  border-width: 1px;
-  color: #A44;
-  content: '+';
-  display: inline-block;
-  line-height: 7px;
-  margin: 0 2px;
-  overflow: hidden;
-  padding: 1px;
-  font-size: 11px;
-}
-
-#j2h .j2h-expand > span.collapsible:before {
-  border: none;
-  color: #A44;
-  content: '-';
-  display: inline-block;
-  line-height: 7px;
-  margin: 4px;
-  overflow: hidden;
-  padding: 1px;
-  font-size: 11px;
-}
-
-#j2h.level0 {
-  font-size: 25px;
-}
-#j2h  .level1 {
-  font-size: 22px;
-}
-
-#j2h .leaf {
-  color: #666;
-  display: inline;
-}
-
-#j2h .altRows:nth-child(odd)    { background-color:#ddd; }
-#j2h .altRows:nth-child(even)    { background-color:#fff; }
-
-#j2h tr:nth-child(odd)    { background-color:#eee; }
-#j2h tr:nth-child(even)    { background-color:#fff; }
-</style>
-<script type="text/javascript">
-  j2h = {
-    toggleVisibility: function(el, name) {
-      j2h.toggleClass(el.parentElement,'j2h-collapse j2h-expand');
-    },
-    classRe: function(name) {
-      return new RegExp('(?:^|\\s)'+name+'(?!\\S)');
-    },
-    addClass: function(el, name) {
-      el.className += " "+name;
-    },
-    removeClass: function(el, name) {
-      var re = j2h.classRe(name);
-      el.className  = el.className.replace(j2h.classRe(name) , '' )
-    },
-    hasClass: function(el, name) {
-      var re = j2h.classRe(name);
-      return j2h.classRe(name).exec(el.className);
-    },
-    toggleClass: function(el, name) {
-      var names = name.split(/\s+/);
-      for (n in names) {
-        if (j2h.hasClass(el, names[n])) {
-          j2h.removeClass(el, names[n]);
-        } else {
-          j2h.addClass(el, names[n]);
-        }
-      }
-    }
-  };
-</script>`;
+// const head = `<style>
+// #json-to-html table {
+//   border-collapse: collapse;
+// }
+// #json-to-html th {
+//   color: #888;
+// }
+// #json-to-html table,th, td {
+//   border: 1px solid #DDD;
+//   padding: 10px 5px;
+// }
+// #json-to-html th, td {
+//   text-align: center;
+// }
+// #json-to-html .content {
+//   padding-left: 30px;
+//   font-family: Arial;
+// }
+//
+// #json-to-html .index {
+//   font-size: 100%;
+//   color: #999;
+//   float: left;
+// }
+// #json-to-html  .clearfix:after {
+//   content: ".";
+//   display: block;
+//   height: 0;
+//   clear: both;
+//   visibility: hidden;
+// }
+// #json-to-html  .json-to-html-label {
+//   font-family: Helvetica Neue;
+//   color: #333;
+// }
+// #json-to-html  .json-to-html-value {
+//   font-family: Arial;
+//   color: #777;
+// }
+// #json-to-html .collapsible > .json-to-html-label:hover {
+//   text-decoration: underline;
+// }
+// #json-to-html .collapsible > .json-to-html-label {
+//   color: #15C;
+// }
+// #json-to-html  .json-to-html-collapse > div.content {
+//   display: none;
+// }
+// #json-to-html  .json-to-html-collapse > .json-to-html-label {
+//   font-weight: bold;
+// }
+//
+// #json-to-html .json-to-html-expand  > div > .json-to-html-label, #json-to-html .json-to-html-collapse  > div > .json-to-html-label {
+//   background-repeat: no-repeat;
+//   background-position: left;
+//   padding-left: 25px;
+//   margin: 5px 0px 5px 15px;
+//   display: inline-block;
+// }
+//
+// #json-to-html .json-to-html-expand  > div > .json-to-html-label {
+//     width: 30px;
+//   height: 30px;
+//   background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100"><polygon points="50,10 10,90 90,90" fill="blue" /></svg>');
+//   background-size: cover;
+//   background-position: center;
+// }
+//
+// #json-to-html .json-to-html-collapse > div > .json-to-html-label {
+//       width: 30px;
+//   height: 30px;
+//   background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100"><polygon points="50,10 10,90 90,90" fill="blue" /></svg>');
+//   background-size: cover;
+//   background-position: center;
+// }
+//
+// #json-to-html .json-to-html-collapse > span.collapsible:before {
+//   border-radius: 2px;
+//   border-color: #A44;
+//   border-style: solid;
+//   border-width: 1px;
+//   color: #A44;
+//   content: '+';
+//   display: inline-block;
+//   line-height: 7px;
+//   margin: 0 2px;
+//   overflow: hidden;
+//   padding: 1px;
+//   font-size: 11px;
+// }
+//
+// #json-to-html .json-to-html-expand > span.collapsible:before {
+//   border: none;
+//   color: #A44;
+//   content: '-';
+//   display: inline-block;
+//   line-height: 7px;
+//   margin: 4px;
+//   overflow: hidden;
+//   padding: 1px;
+//   font-size: 11px;
+// }
+//
+// #json-to-html.level0 {
+//   font-size: 25px;
+// }
+// #json-to-html  .level1 {
+//   font-size: 22px;
+// }
+//
+// #json-to-html .leaf {
+//   color: #666;
+//   display: inline;
+// }
+//
+// #json-to-html .altRows:nth-child(odd)    { background-color:#ddd; }
+// #json-to-html .altRows:nth-child(even)    { background-color:#fff; }
+//
+// #json-to-html tr:nth-child(odd)    { background-color:#eee; }
+// #json-to-html tr:nth-child(even)    { background-color:#fff; }
+// </style>
+// <script type="text/javascript">
+//   json-to-html = {
+//     toggleVisibility: function(el, name) {
+//       json-to-html.toggleClass(el.parentElement,'json-to-html-collapse json-to-html-expand');
+//     },
+//     classRe: function(name) {
+//       return new RegExp('(?:^|\\s)'+name+'(?!\\S)');
+//     },
+//     addClass: function(el, name) {
+//       el.className += " "+name;
+//     },
+//     removeClass: function(el, name) {
+//       var re = json-to-html.classRe(name);
+//       el.className  = el.className.replace(json-to-html.classRe(name) , '' )
+//     },
+//     hasClass: function(el, name) {
+//       var re = json-to-html.classRe(name);
+//       return json-to-html.classRe(name).exec(el.className);
+//     },
+//     toggleClass: function(el, name) {
+//       var names = name.split(/\s+/);
+//       for (n in names) {
+//         if (json-to-html.hasClass(el, names[n])) {
+//           json-to-html.removeClass(el, names[n]);
+//         } else {
+//           json-to-html.addClass(el, names[n]);
+//         }
+//       }
+//     }
+//   };
+// </script>`;
diff --git a/test/performance/utils/number.ts b/test/performance/utils/number.ts
index f1c3dd4..de6eef4 100644
--- a/test/performance/utils/number.ts
+++ b/test/performance/utils/number.ts
@@ -1,5 +1,4 @@
 export function numberFix(number: number, decimalPlaces: number): string {
-
   if (number > 10000 || number < 0.001) {
     const [mantissa, exponent] = number.toExponential().split('e');
     const formattedMantissa = Number(mantissa).toFixed(decimalPlaces);
@@ -7,4 +6,4 @@ export function numberFix(number: number, decimalPlaces: number): string {
   } else {
     return number.toFixed(decimalPlaces);
   }
-}
\ No newline at end of file
+}