jQuery append vs html vs innerHTML list performance

JavaScript performance comparison

Revision 54 of this test case created

Info

Just a simple example showing the speed difference between populating a list with .append() & .html() and innerHTML

Preparation code

<script src="//ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js">
</script>
<div id="list" style="display:none">
</div>
<script>
Benchmark.prototype.setup = function() {
    var len = 20,
        $list = $("#list"),
        list = document.getElementById('list');
   
};
</script>

Preparation code output

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Testing in unknown unknown
Test Ops/sec
jquery .append()
var container = $("<div>"),
    div;

for (var i = 0; i < len; i++) {
  container.append( '<div>Test ' + i + '</div>');
 
}

$list.append(container);
pending…
jQuery .html()
var html = '';
for (var i = 0; i < len; i++) {
  html += '<div>Test ' + i + '</div>';
}

$list.html(html);
pending…
appendChild documentFragment
var container = document.createDocumentFragment(),
    div;

for(var i = 0; i < len; i++) {
     
     div = document.createElement('div');
     div.innerHTML = 'Test ' + i;
     container.appendChild(div)
}
list.appendChild(container)
pending…
appendChild
var container = document.createElement("div"),
    div;

for(var i = 0; i < len; i++) {
     
     div = document.createElement('div');
     div.innerHTML = 'Test ' + i;
     container.appendChild(div)
}
list.appendChild(container)
pending…
javascript innerHTML
var html = [];
for (var i = 0; i < len; i++) {
  html.push('<div>Test ' + i + '</div>');
}

list.innerHTML = html.join('');
pending…

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