javascript文字逐字输出精简案例

javascript逐字输出案例

1. //动态文字提示 
2.             var txtArr = ['欢迎来到BETWAY官网网，官网地址：https://www.nucmc.com/', '专注WebBETWAY登录开发与PHP编程设计'], 
3.                 x = 1, 
4.                 y = 0, 
5.                 txt = txtArr[y], 
6.                 timer = null, 
7.                 timer1 = null, 
8.                 cue = $('.menutext');  
9.             function changTxt() { 
10.                 if (x == txt.length+1) { 
11.                     clearTimeout(timer1); 
12.                     timer1 = setInterval(function(){ 
13.                         y += 1; 
14.                         if (y > txtArr.length - 1) y = 0; 
15.                         cue.text(''); 
16.                         txt = txtArr[y]; 
17.                         x=0; 
18.                     },5500);                     
19.                 } 
20.                 cue.text(txt.substring(0,x)); 
21.                 x+=1; 
22.                 clearTimeout(timer); 
23.                 timer = setTimeout(function(){ 
24.                     changTxt(); 
25.                 },600); 
26.             } 
27.             changTxt(); 

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