Run results for: TreeWalker vs querySelectorAll (* all elements) 2

Run details:
User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/102.0.5005.63 Safari/537.36
Browser: Chrome 102
Operating system: Windows
Device Platform: Desktop
Date tested: 2 years ago
Test name	Executions per second
TreeWalker	123.8 Ops/sec
querySelectorAll	61846.9 Ops/sec
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&lt;!-- article out end --&gt;</textarea><div class="CodeMirror cm-s-default"><div style="overflow: hidden; position: relative; width: 3px; height: 0px; top: 11px; left: 47px;"><textarea autocorrect="off" autocapitalize="off" spellcheck="false" style="position: absolute; padding: 0px; width: 1000px; height: 1em; outline: none;" tabindex="0" data-precheck="false"></textarea></div><div class="CodeMirror-vscrollbar" cm-not-content="true" style="bottom: 0px;"><div style="min-width: 1px; height: 0px;" data-precheck="false"></div></div><div class="CodeMirror-hscrollbar" cm-not-content="true"><div style="height: 100%; min-height: 1px; width: 0px;" data-precheck="false"></div></div><div class="CodeMirror-scrollbar-filler" cm-not-content="true" data-precheck="false"></div><div class="CodeMirror-gutter-filler" cm-not-content="true" data-precheck="false"></div><div class="CodeMirror-scroll" tabindex="-1"><div class="CodeMirror-sizer" style="margin-left: 30px; margin-bottom: -17px; border-right-width: 13px; min-height: 28px; min-width: 7px; padding-right: 0px; padding-bottom: 0px;"><div style="position: relative; top: 0px;"><div class="CodeMirror-lines"><div style="position: relative; outline: none;"><div class="CodeMirror-measure"><pre>x</pre><div class="CodeMirror-linenumber CodeMirror-gutter-elt"><div>1</div></div></div><div class="CodeMirror-measure" data-precheck="false"></div><div style="position: relative; z-index: 1;" data-precheck="false"></div><div class="CodeMirror-cursors" style=""><div class="CodeMirror-cursor" style="left: 4px; top: 0px; height: 20px;">&nbsp;</div></div><div class="CodeMirror-code" style=""><div style="position: relative;"><div class="CodeMirror-gutter-wrapper" style="left: -30px;"><div class="CodeMirror-linenumber CodeMirror-gutter-elt" style="left: 0px; width: 21px;">1</div></div><pre class=" CodeMirror-line "><span style="padding-right: 0.1px;"><span cm-text=""></span></span></pre></div></div></div></div></div></div><div style="position: absolute; height: 13px; width: 1px; border-bottom: 0px solid transparent; top: 28px;" data-precheck="false"></div><div class="CodeMirror-gutters" style="height: 41px;"><div class="CodeMirror-gutter CodeMirror-linenumbers" style="width: 29px;" data-precheck="false"></div></div></div></div>
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while (element = treeWalker.nextNode()) {
    
}</textarea><div class="CodeMirror cm-s-default"><div style="overflow: hidden; position: relative; width: 3px; height: 0px; top: 11px; left: 47px;"><textarea autocorrect="off" autocapitalize="off" spellcheck="false" style="position: absolute; padding: 0px; width: 1000px; height: 1em; outline: none;" tabindex="0" data-precheck="false"></textarea></div><div class="CodeMirror-vscrollbar" cm-not-content="true"><div style="min-width: 1px; height: 0px;" data-precheck="false"></div></div><div class="CodeMirror-hscrollbar" cm-not-content="true"><div style="height: 100%; min-height: 1px; width: 0px;" data-precheck="false"></div></div><div class="CodeMirror-scrollbar-filler" cm-not-content="true" data-precheck="false"></div><div class="CodeMirror-gutter-filler" cm-not-content="true" data-precheck="false"></div><div class="CodeMirror-scroll" tabindex="-1"><div class="CodeMirror-sizer" style="margin-left: 30px; margin-bottom: -17px; border-right-width: 13px; min-height: 188px; min-width: 353.396px; padding-right: 0px; padding-bottom: 0px;"><div style="position: relative; top: 0px;"><div class="CodeMirror-lines"><div style="position: relative; outline: none;"><div class="CodeMirror-measure"><div class="CodeMirror-linenumber CodeMirror-gutter-elt"><div data-precheck="false">9</div></div></div><div class="CodeMirror-measure" data-precheck="false"></div><div style="position: relative; z-index: 1;" data-precheck="false"></div><div class="CodeMirror-cursors"><div class="CodeMirror-cursor" style="left: 4px; top: 0px; height: 20px;">&nbsp;</div></div><div class="CodeMirror-code" style=""><div style="position: relative;"><div class="CodeMirror-gutter-wrapper" style="left: -30px;"><div class="CodeMirror-linenumber CodeMirror-gutter-elt" style="left: 0px; width: 21px;" data-precheck="false">1</div></div><pre class=" CodeMirror-line "><span style="padding-right: 0.1px;"><span class="cm-keyword" data-precheck="false">const</span> <span class="cm-def" data-precheck="false">treeWalker</span> <span class="cm-operator" data-precheck="false">=</span> <span class="cm-variable" data-precheck="false">document</span>.<span class="cm-property" data-precheck="false">createTreeWalker</span>(</span></pre></div><div style="position: relative;"><div class="CodeMirror-gutter-wrapper" style="left: -30px;"><div class="CodeMirror-linenumber CodeMirror-gutter-elt" style="left: 0px; width: 21px;" data-precheck="false">2</div></div><pre class=" CodeMirror-line "><span style="padding-right: 0.1px;">  <span class="cm-variable" data-precheck="false">document</span>.<span class="cm-property" data-precheck="false">body</span>,</span></pre></div><div style="position: relative;"><div class="CodeMirror-gutter-wrapper" style="left: -30px;"><div class="CodeMirror-linenumber CodeMirror-gutter-elt" style="left: 0px; width: 21px;" data-precheck="false">3</div></div><pre class=" CodeMirror-line "><span style="padding-right: 0.1px;">  <span class="cm-variable" data-precheck="false">NodeFilter</span>.<span class="cm-property" data-precheck="false">SHOW_ELEMENT</span></span></pre></div><div style="position: relative;"><div class="CodeMirror-gutter-wrapper" style="left: -30px;"><div class="CodeMirror-linenumber CodeMirror-gutter-elt" style="left: 0px; width: 21px;" data-precheck="false">4</div></div><pre class=" CodeMirror-line "><span style="padding-right: 0.1px;" data-precheck="false">);</span></pre></div><div style="position: relative;"><div class="CodeMirror-gutter-wrapper" style="left: -30px;"><div class="CodeMirror-linenumber CodeMirror-gutter-elt" style="left: 0px; width: 21px;" data-precheck="false">5</div></div><pre class=" CodeMirror-line "><span style="padding-right: 0.1px;"><span cm-text="" data-precheck="false"></span></span></pre></div><div style="position: relative;"><div class="CodeMirror-gutter-wrapper" style="left: -30px;"><div class="CodeMirror-linenumber CodeMirror-gutter-elt" style="left: 0px; width: 21px;" data-precheck="false">6</div></div><pre class=" CodeMirror-line "><span style="padding-right: 0.1px;"><span class="cm-keyword" data-precheck="false">let</span> <span class="cm-def" data-precheck="false">element</span>;</span></pre></div><div style="position: relative;"><div class="CodeMirror-gutter-wrapper" style="left: -30px;"><div class="CodeMirror-linenumber CodeMirror-gutter-elt" style="left: 0px; width: 21px;" data-precheck="false">7</div></div><pre class=" CodeMirror-line "><span style="padding-right: 0.1px;"><span class="cm-keyword" data-precheck="false">while</span> (<span class="cm-variable" data-precheck="false">element</span> <span class="cm-operator" data-precheck="false">=</span> <span class="cm-variable" data-precheck="false">treeWalker</span>.<span class="cm-property" data-precheck="false">nextNode</span>()) {</span></pre></div><div style="position: relative;"><div class="CodeMirror-gutter-wrapper" style="left: -30px;"><div class="CodeMirror-linenumber CodeMirror-gutter-elt" style="left: 0px; width: 21px;" data-precheck="false">8</div></div><pre class=" CodeMirror-line "><span style="padding-right: 0.1px;" data-precheck="false">    </span></pre></div><div style="position: relative;"><div class="CodeMirror-gutter-wrapper" style="left: -30px;"><div class="CodeMirror-linenumber CodeMirror-gutter-elt" style="left: 0px; width: 21px;" data-precheck="false">9</div></div><pre class=" CodeMirror-line "><span style="padding-right: 0.1px;" data-precheck="false">}</span></pre></div></div></div></div></div></div><div style="position: absolute; height: 13px; width: 1px; border-bottom: 0px solid transparent; top: 188px;" data-precheck="false"></div><div class="CodeMirror-gutters" style="height: 201px;"><div class="CodeMirror-gutter CodeMirror-linenumbers" style="width: 29px;" data-precheck="false"></div></div></div></div>
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while (element = treeWalker.nextNode()) {
    
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Tests:
TreeWalker
var div = document.body; var treeWalker = document.createTreeWalker( div, NodeFilter.SHOW_ELEMENT, ); while(treeWalker.nextNode()) { console.log(treeWalker.currentNode.nodeValue.trim()); }
querySelectorAll
const list = document.body.querySelectorAll('*');