Created
May 10, 2011 14:17
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| /* Hide submit button if it exists. */ | |
| var button = document.getElementById( 'my_submit_button' ); | |
| if ( null !== button && 'style' in button && 'display' in button.style ) { | |
| button.style.display = 'none'; | |
| } |
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The
===and==operators behave exactly the same after doing type conversions. In the end,===is faster if the two sides are different types (because it skips type conversion and just returns false) but==is faster if the two types are the same.In your case, particularly when using Yoda conditions, there's no benefit of using one or the other since you're comparing with null. It becomes a matter of preference.