js实现字符串一个一个依次显示详解编程语言

html
head
meta http-equiv= Content-Type content= text/html; charset=utf-8 /
body

一：
textarea id= showStr /textarea
div > /div
script language= javascript
var index=0;
var str=document.getElementById( string ).innerHTML;
function type(){
if(index==str.length){index=0;}
    document.getElementById( showStr ).innerText = str.substring(0,index++);
}
setInterval(type, 500);
/script

二：

p id= aa > p >

script type= text/javascript
window.onload = type;
var index = 0;
var word = $( #w ).html();

function type(){
$( #aa ).html(word.substring(0,index++));
if(index word.length) {
return;
} else {
setTimeout(type,430);
};
}

/script

/body
/html

原文链接：https://blog.csdn.net/liu__hua/article/details/38869615

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