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September 16, 2019 14:37
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Efficient callback management for window.onresize
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| (function( window ){ | |
| window.watchResize = function( callback ){ | |
| var resizing; | |
| callback.size = 0; | |
| function done() | |
| { | |
| var curr_size = window.innerWidth; | |
| clearTimeout( resizing ); | |
| resizing = null; | |
| // only run on a true resize | |
| if ( callback.size != curr_size ) | |
| { | |
| callback(); | |
| callback.size = curr_size; | |
| } | |
| } | |
| window.addEventListener('resize', function(){ | |
| if ( resizing ) | |
| { | |
| clearTimeout( resizing ); | |
| resizing = null; | |
| } | |
| resizing = setTimeout( done, 50 ); | |
| }); | |
| // init | |
| callback(); | |
| }; | |
| }(window)); |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| (function(a){a.watchResize=function(d){var c;d.size=0;function b(){var e=a.innerWidth;clearTimeout(c);c=null;if(d.size!=e){d();d.size=e}}a.addEventListener("resize",function(){if(c){clearTimeout(c);c=null}c=setTimeout(b,50)});d()}}(window)); |
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