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| define([], function(){
| // module:
| // dojo/throttle
| // summary:
| // This module provide a throttler
|
| return function(cb, wait){
| // summary:
| // Create a function that will only execute once per `wait` periods.
| // description:
| // Create a function that will only execute once per `wait` periods
| // from last execution when called repeatedly. Useful for preventing excessive
| // calculations in rapidly firing events, such as window.resize, node.mousemove
| // and so on.
| // cb: Function
| // The callback to fire.
| // wait: Integer
| // time to delay before allowing cb to call again.
| var canrun = true;
| return function(){
| if(!canrun){
| return;
| }
| canrun = false;
| cb.apply(this, arguments);
| setTimeout(function(){
| canrun = true;
| }, wait);
| };
| };
| });
|
|
