Info

This test compares performance of string interpolation using three techniqus: 1. String concatenation using addition operator. 2. Replace a part of string using regex 3. String concatenation using String.join() method.

Preparation code

 
<script>
  Benchmark.prototype.setup = function() {
    var id = 1;
  };
</script>

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'[data-id="' + id + '"]'

'[data-id="%d"]'.replace(/%d/, id)

['[data-id="', id, '"]'].join('')

var items = ['[data-id="', id, '"]']
var result = "";
for(var i = 0; i < items.length; i++) {
  result= result + items[i]
}

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Revisions

You can edit these tests or add even more tests to this page by appending /edit to the URL. Here’s a list of current revisions for this page:

• Revision 1: published by Marko Vuksanovic on 9th March 2013
• Revision 2: published on 9th March 2013
• Revision 3: published on 9th March 2013
• Revision 4: published on 9th March 2013

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