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ethyde/debounce.js

Created November 1, 2016 15:31
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  1. ethyde created this gist Nov 1, 2016.
    21 changes: 21 additions & 0 deletions debounce.js
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,21 @@
    // from : http://qnimate.com/javascript-limit-function-call-rate/

    function debounce(func, wait, immediate) {
    var timeout;
    return function() {
    var context = this,
    args = arguments;
    var later = function() {
    timeout = null;
    if (!immediate) func.apply(context, args);
    };
    var callNow = immediate && !timeout;
    clearTimeout(timeout);
    timeout = setTimeout(later, wait);
    if (callNow) func.apply(context, args);
    };
    };

    var logging = debounce(function(){
    alert("Heavy task");
    }, 5000);