jQuery.fn.extend({ everyTime: function (interval, label, fn, times) { return this.each(function () { jQuery.timer.add(this, interval, label, fn, times) }) }, oneTime: function (interval, label, fn) { return this.each(function () { jQuery.timer.add(this, interval, label, fn, 1) }) }, stopTime: function (label, fn) { return this.each(function () { jQuery.timer.remove(this, label, fn) }) } }); jQuery.extend({ timer: { global: [], guid: 1, dataKey: "jQuery.timer", regex: /^([0-9]+(?:\.[0-9]*)?)\s*(.*s)?$/, powers: { ms: 1, cs: 10, ds: 100, s: 1000, das: 10000, hs: 100000, ks: 1000000 }, timeParse: function (value) { if (value == undefined || value == null) { return null } var result = this.regex.exec(jQuery.trim(value.toString())); if (result[2]) { var num = parseFloat(result[1]); var mult = this.powers[result[2]] || 1; return num * mult } else { return value } }, add: function (element, interval, label, fn, times) { var counter = 0; if (jQuery.isFunction(label)) { if (!times) { times = fn } fn = label; label = interval } interval = jQuery.timer.timeParse(interval); if (typeof interval != "number" || isNaN(interval) || interval < 0) { return } if (typeof times != "number" || isNaN(times) || times < 0) { times = 0 } times = times || 0; var timers = jQuery.data(element, this.dataKey) || jQuery.data(element, this.dataKey, {}); if (!timers[label]) { timers[label] = {} } fn.timerID = fn.timerID || this.guid++; var handler = function () { if ((++counter > times && times !== 0) || fn.call(element, counter) === false) { jQuery.timer.remove(element, label, fn) } }; handler.timerID = fn.timerID; if (!timers[label][fn.timerID]) { timers[label][fn.timerID] = window.setInterval(handler, interval) } this.global.push(element) }, remove: function (element, label, fn) { var timers = jQuery.data(element, this.dataKey), ret; if (timers) { if (!label) { for (label in timers) { this.remove(element, label, fn) } } else { if (timers[label]) { if (fn) { if (fn.timerID) { window.clearInterval(timers[label][fn.timerID]); delete timers[label][fn.timerID] } } else { for (var fn in timers[label]) { window.clearInterval(timers[label][fn]); delete timers[label][fn] } } for (ret in timers[label]) { break } if (!ret) { ret = null; delete timers[label] } } } for (ret in timers) { break } if (!ret) { jQuery.removeData(element, this.dataKey) } } } } }); jQuery(window).bind("unload", function () { jQuery.each(jQuery.timer.global, function (index, item) { jQuery.timer.remove(item) }) });