Benchmark: Different ways (template importNode, vanilla js, innerHTML) to create DOM node

Script Preparation code:

var simpleTemplate = document.createElement("template");
simpleTemplate.innerHTML = `<span class="simple"></span>`;
  
var complexTemplate = document.createElement("template");
  complexTemplate.innerHTML = 
  `<span class="complex">
      <span class="simple-1"></span>
      <span class="simple-2">
          <span class="simple-2-1"></span>
      </span>
      <span class="simple-3">
          <span class="simple-3-1"></span>
      </span>
      <span class="simple-4"></span>
  </span>`;

Tests:

Simple - Template
let el = document.createElement("div"); let content = document.importNode(simpleTemplate,true); el.appendChild(content);
Simple - JavaScript
let el = document.createElement("div"); let content = document.createElement("span") content.classList.add("simple"); el.appendChild(content);
Simple - innerHTML
let el = document.createElement("div"); el.innerHTML = ``;
Complex - Template
let el = document.createElement("div"); let content = complexTemplate.content.cloneNode(true); el.appendChild(content);
Complex - JavaScript
let el = document.createElement("span"); el.classList.add("complex"); let span1 = document.createElement("span"); span1.classList.add("simple-1"); let span2 = document.createElement("span"); span2.classList.add("simple-2"); let span21 = document.createElement("span"); span21.classList.add("simple-2-1"); span2.appendChild(span21); let span3 = document.createElement("span"); span3.classList.add("simple-3"); let span31 = document.createElement("span"); span31.classList.add("simple-31"); span3.appendChild(span31); let span4 = document.createElement("span"); span4.classList.add("simple-4"); el.append(span1, span2, span3, span4);
Complex - innerHTML
let el = document.createElement("div"); el.innerHTML = ` `;

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Simple - Template
Simple - JavaScript
Simple - innerHTML
Complex - Template
Complex - JavaScript
Complex - innerHTML

Fastest: N/A

Slowest: N/A

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Latest run results:

Run details: (Test run date: 2 years ago)

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.101 Safari/537.36

Browser/OS: Chrome 91 on Linux

View result in a separate tab

Test name	Executions per second
Simple - Template	236862.8 Ops/sec
Simple - JavaScript	211815.3 Ops/sec
Simple - innerHTML	102432.9 Ops/sec
Complex - Template	68780.2 Ops/sec
Complex - JavaScript	40006.2 Ops/sec
Complex - innerHTML	34688.2 Ops/sec

Different ways (template importNode, vanilla js, innerHTML) to create DOM node (version: 0)

Comparing performance of: Simple - Template vs Simple - JavaScript vs Simple - innerHTML vs Complex - Template vs Complex - JavaScript vs Complex - innerHTML

Created: 2 years ago by: Guest

Jump to the latest result

Simple - Template

Simple - JavaScript

Simple - innerHTML

Complex - Template

Complex - JavaScript

Complex - innerHTML

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A