本文實例為大家分享了兩種倒計時效果，供大家參考，具體內容如下
效果圖：
1.倒計時效果
<!DOCTYPE html><html> <head> <meta charset="utf-8"/> <title>倒計時</title> <link rel="stylesheet" href="css/common.css" type="text/css" charset="utf-8"/> <style type="text/css"> *{ margin:0; padding:0;} .dtime{ margin:10px;} .dtime span{ color:#C30;} </style> </head> <body> <div id="a1"></div> <div id="a2"></div> <div id="a3"></div> <div id="a4"></div> <div id="a5"></div> </body> <script> function tbdTimeCountdown(args){//倒計時函數var ele=document.getElementById(args.id); var alltime=args.alltime; var arr=[]; var t=Math.floor(alltime/(24*60*60)); var yt=alltime%(24*60*60); var s=Math.floor(yt/(60*60)); var ys=yt%(60*60); var f=Math.floor(ys/(60)); var yf=ys%(60); var m=yf; arr[0]=[t,"天"]; arr[1]=[s,"小時"]; arr[2]=[f,"分"]; arr[3]=[m,"秒結束"]; var s=ce(arr,0); ele.innerHTML=s; var dong; dong=setInterval(function(){ alltime-=1; if(alltime<=0){ clearInterval(dong); ele.innerHTML="<span>0</span>秒"; args.end(); }else{ t=Math.floor(alltime/(24*60*60)); yt=alltime%(24*60*60); s=Math.floor(yt/(60*60)); ys=yt%(60*60); f=Math.floor(ys/(60)); yf=ys%(60); m=yf; arr[0]=[t,"天"]; arr[1]=[s,"小時"]; arr[2]=[f,"分"]; arr[3]=[m,"秒結束"]; var s=ce(arr,0); ele.innerHTML=s; }; },1000); function ce(arr,sta){ var i=sta; if(i<arr.length){ if(arr[i][0]!=0){ var s=""; for(var j=i;j<arr.length;j++){ s+="<span>"+arr[j][0]+"</span>"+arr[j][1]; }; return s; }else{ return ce(arr,i+1); }; }; }; };//倒計時end //效果1 //86402 3602 62 tbdTimeCountdown({id:"a1",//含有倒計時容器alltime:3,//倒計時總秒數end:function(){//倒計時結束，時間為0是調用的函數//alert("倒計時結束才會執行！"); }, }); //效果2 tbdTimeCountdown({id:"a2",//含有倒計時容器alltime:62,//倒計時總秒數end:function(){//倒計時結束，時間為0是調用的函數}, }); //效果3 tbdTimeCountdown({id:"a3",//含有倒計時容器alltime:3602,//倒計時總秒數end:function(){//倒計時結束，時間為0是調用的函數}, }); //效果4 tbdTimeCountdown({id:"a4",//含有倒計時容器alltime:86402,//倒計時總秒數end:function(){//倒計時結束，時間為0是調用的函數}, }); //效果4 tbdTimeCountdown({id:"a5",//含有倒計時容器alltime:154789,//倒計時總秒數end:function(){//倒計時結束，時間為0是調用的函數}, }); </script></html>2.倒計時2.html
<!DOCTYPE html><html> <head> <meta charset="utf-8"/> <title>倒計時</title> <link rel="stylesheet" href="css/common.css" type="text/css" charset="utf-8"/> <style type="text/css"> *{ margin:0; padding:0;} .dtime{ margin:10px;} .dtime span{ color:#C30;} </style> </head> <body> <div id="a1" alltime="3"></div> <div id="a2" alltime="62"></div> <div id="a3" alltime="3605"></div> <div id="a4" alltime="48605"></div> <div id="a5" alltime="123456"></div> </body> <script> function tbdTimeCountdown(args){//倒計時函數var ele=document.getElementById(args.id); var alltime=Number(ele.getAttribute(args.alltime)); var arr=[]; var t=Math.floor(alltime/(24*60*60)); var yt=alltime%(24*60*60); var s=Math.floor(yt/(60*60)); var ys=yt%(60*60); var f=Math.floor(ys/(60)); var yf=ys%(60); var m=yf; arr[0]=[t,"天"]; arr[1]=[s,"小時"]; arr[2]=[f,"分"]; arr[3]=[m,"秒結束"]; var s=ce(arr,0); ele.innerHTML=s; var dong; dong=setInterval(function(){ alltime-=1; ele.setAttribute(args.alltime,alltime); if(alltime<=0){ clearInterval(dong); ele.innerHTML="<span>0</span>秒"; args.end(); }else{ t=Math.floor(alltime/(24*60*60)); yt=alltime%(24*60*60); s=Math.floor(yt/(60*60)); ys=yt%(60*60); f=Math.floor(ys/(60)); yf=ys%(60); m=yf; arr[0]=[t,"天"]; arr[1]=[s,"小時"]; arr[2]=[f,"分"]; arr[3]=[m,"秒結束"]; var s=ce(arr,0); ele.innerHTML=s; }; },1000); function ce(arr,sta){ var i=sta; if(i<arr.length){ if(arr[i][0]!=0){ var s=""; for(var j=i;j<arr.length;j++){ s+="<span>"+arr[j][0]+"</span>"+arr[j][1]; }; return s; }else{ return ce(arr,i+1); }; }; }; };//倒計時end //效果1 //86402 3602 62 tbdTimeCountdown({id:"a1",//含有倒計時容器alltime:"alltime",//倒計時總秒數end:function(){//倒計時結束，時間為0是調用的函數alert("倒計時結束才會執行！"); }, }); //效果2 tbdTimeCountdown({id:"a2",//含有倒計時容器alltime:"alltime",//倒計時總秒數end:function(){//倒計時結束，時間為0是調用的函數}, }); //效果3 tbdTimeCountdown({id:"a3",//含有倒計時容器alltime:"alltime",//倒計時總秒數end:function(){//倒計時結束，時間為0是調用的函數}, }); //效果4 tbdTimeCountdown({id:"a4",//含有倒計時容器alltime:"alltime",//倒計時總秒數end:function(){//倒計時結束，時間為0是調用的函數}, }); //效果4 tbdTimeCountdown({id:"a5",//含有倒計時容器alltime:"alltime",//倒計時總秒數end:function(){//倒計時結束，時間為0是調用的函數}, }); </script></html>大家可以參考專題《js倒計時功能匯總》 進行深入學習。
以上就是本文的全部內容，希望對大家學習JavaScript程序設計有所幫助。