Run results for: Setting input placeholders

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/53.0.2785.143 Safari/537.36

Browser: Chrome 53

Operating system: Linux

Device Platform: Other

Date tested: 7 years ago

Test name	Executions per second
Intelligent selectors - not stored	1585.7 Ops/sec
Intelligent selectors, in filter, with .end	3393.5 Ops/sec
Filter by function with .end	2813.5 Ops/sec
Intelligent selectors in filter - stored	3482.9 Ops/sec

HTML Preparation code:

<form>

  <input type="text"/>
  <input type="radio"/>
  <input type="checkbox"/>
  <textarea></textarea>

  <input class="required" type="text"/>
  <input class="required" type="radio"/>
  <input class="required" type="checkbox"/>
  <textarea class="required"></textarea>

</form>

Tests:

Intelligent selectors - not stored
$(':input:not(.required)') .prop('placeholder', ''); $(':input.required') .prop('placeholder', 'required');
Intelligent selectors, in filter, with .end
$(':input') .filter(':not(.required)') .prop('placeholder', '') .end() .filter('.required') .prop('placeholder', 'required');
Filter by function with .end
$(':input') .filter(function() { return !$(this).hasClass('required'); }) .prop('placeholder', '') .end() .filter(function() { return $(this).hasClass('required'); }) .prop('placeholder', 'required');
Intelligent selectors in filter - stored
var $inputs = $(':input'); $inputs .filter(':not(.required)') .prop('placeholder', ''); $inputs .filter('.required') .prop('placeholder', 'required');
Clear all, set only required
var $inputs = $(':input'); $inputs .prop('placeholder', ''); $inputs .filter('.required') .prop('placeholder', 'required');

Run results for: Setting input placeholders

Setting and clearing placeholders on a lot of elements at once

Intelligent selectors - not stored

Intelligent selectors, in filter, with .end

Filter by function with .end

Intelligent selectors in filter - stored

Clear all, set only required