JavaScript countdown day, hour, minute, Description of the countdown code

Calling methods

var _timecountdown = new Timecountdown ("sttime1", {startTime: ' 2016-07-30 10:07:55 ',//start time endtime: ' 2016-07-30 10:08:00 ',///end Time Timecallback: "timeoverfun",//callback function});

Countdown.js

/** * @author Wanghaitao * @param sttime1 ID * @param startTime start time * @param endTime end time * @param timecallback callback function * * var _timecountdown = new Timecountdown ("sttime1", {startTime: ' 2016-07-30 10:07:55 ',//start time endtime: ' 2016-07-30 10:08:00 ',///end Time Timecallback: "timeoverfun",//callback function}); */(function (window,undefined) {var timecountdown = function (container, params) {if (! (   This instanceof TIMECOUNTDOWN)) return new Timecountdown (container, params); var defaults = {endTime: ',//titlestarttime: ',//please pass in id, or DOM object lid: ', lefttitle: ' countdown: ',//left name colonstat:false,// Whether to convert a small time to: timecallback:null//close execution of the callback function} params = params | |       {};       var originalparams = {}; For (var param in Params) {if (typeof params[param] = = = ' object ' && params[param]!== null &am p;&! (params[param].nodetype | | params[param] = = Window | | params[param] = = Document | | (typeof Dom7!== ' undefined ' && params[param] instanceof Dom7) | | (typeof jQuery!== ' undefined ' && params[param] (instanceof JQuery))) {originalparams[param] = {};                For (var deepparam in params[param]) {originalparams[param][deepparam] = params[param][deepparam];            }} Else {originalparams[param] = params[param]; }} for (var def in defaults) {if (typeof params[def] = = = ' undefined ') {params[def] =            defaults[def];                    } else if (typeof params[def] = = = ' Object ') {for (var deepdef in Defaults[def]) { If (typeof params[def][deepdef] = = = ' undefined ') {params[def][deepdef] = DEFAULTS[DEF][DEEPD                    ef];        }}}} var s = this; params s.params = params;        S.container = container; S.currentbreakpoint = Undefined;s.calculatetime = function () {var startTime = S.vert (this.params.startTime); var endTime = S.vert(this.params.endTime); var time = endtime-starttime; The number of milliseconds of the time difference; S.vert = function (time) {if (typeof time = = "undefined" | | time== "") {return false;} var strtime = (time). Replace (/-/g, "/"), var date1 = new Date (strtime); return parseint (date1.gettime ());} S.ntime = s.calculatetime (); s.countdown ();};    Timecountdown.prototype = {countdown:function () {var interval = 1000;//ms var time; this.ntime = this.ntime-interval;  var leave1 = this.ntime;//the Number of milliseconds remaining after the calculation of the number of days var t = Math.floor (math.floor ((leave1/(3600*1000))/24);  var hleave = this.ntime% ((24*3600*1000)); Convert the remaining number of milliseconds to hours var h = Math.floor (hleave/(3600*1000)) < 10?        "0" + math.floor (hleave/(3600*1000)): math.floor (hleave/(3600*1000)); var leave2 = this.ntime% (3600*1000); Number of milliseconds left after calculation of Hours//after conversion hours, the remaining milliseconds converted to minutes var m = Math.floor (leave2/(60*1000)) < 10?      "0" + math.floor (leave2/(60*1000)): math.floor (leave2/(60*1000));//convert minutes after conversion, the remaining number of milliseconds to the second var leave3 = leave2% (60*1000); Count the number of milliseconds remaining after the number of minutes var s = Math.Round (leave3/1000) < 10? "0" + math.round (leave3/1000): math.round (leave3/1000); If (!this.params.colonstat) {if (t = = 0) {time = this.params.lefttitle+ "<span>" + H + "</span><label> when & Lt;/label><span> "+ m +" </span><label> min </label><span> "+ s +" </span><label  > Seconds <label> "; }else{time = this.params.lefttitle+ "<span>" + t + "</span><label> Day </label><span>" + H + "& Lt;/span><label> </label><span> "+ m +" </span><label> min </label><span> "+ S +" </span><label> sec <label> ";}} Else{time = this.params.lefttitle+ "<span>" + H + "</span><label>:</label><span>" + M + "&L  T;/span><label>:</label><span> "+ s +" </span><label><label> "; }var callbacktime = T+h+m+s;document.queryselector ("#" +this.container). innerHTML = time;if (callbacktime <= 0) {eval (this.params.timeCallBack); return false;} var that = This;settimeout (function () {that.countdown ();},interval);}} Window. Timecountdown=timecountdown;}) (window,undefined);

　　

JavaScript countdown day, hour, minute, Description of the countdown code