MeasureThat.net

Run results for: img src slowness

Creating image tags with/without an src attribute with a data URI.

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Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/111.0.0.0 Safari/537.36
Chrome 111
Mac OS X 10.15.7
Desktop
2 years ago
Test name Executions per second
Creation with src 135330.9 Ops/sec
Creation without src 2163599.0 Ops/sec
Clone with src 146972.9 Ops/sec
Clone without src 2435296.5 Ops/sec
Script Preparation code:
​x
 
function makeImage( src ) {
  var img = document.createElement( 'img' );
  img.className='nail';
  if ( src ) {
    img.src='data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=';
  }
  return img;
}
​
withSrc = makeImage( true );
withoutSrc = makeImage( false );
​
Tests:

  • Creation with src

     
    makeImage( true );

  • Creation without src

     
    makeImage( false );

  • Clone with src

     
    withSrc.cloneNode();

  • Clone without src

     
    withoutSrc.cloneNode();