JS realizes the effect of simple keyboard typing_javascript skills
Process analysis as code:
<html>
<head>
<title>打字效果</title>
<meta http-equiv="Content-Type" Content="text/html;charset=gb2312" />
<style type="text/css">
body{
font-size:14px;
font-color:#purple;
font-weight:bolder;
}
</style>
</head>
<body>
最新内容: <a id = "Hotnews" href="" target="_blank"> </a>
<script language="javascript">
var NewsTime = 2000; //每条信息完整出现后停留时间
var TextTime = 100; //每条信息中的字出现的间隔时间
var newsi = 0;
var txti = 0;
var txttimer; //调用setInterval的返回值，用于取消对函数的周期性执行
var newstimer;
var newstitle = new Array(); //以数组形式保存每个信息的标题
var newshref = new Array(); //以数组形式保存信息标题的链接
newstitle[0] = "欢迎来到我的博客"; //显示在网页上的文字内容和对应的链接
newshref[0] = "http://www.jb51.net/guihailiuli/";
newstitle[1] = "http://www.jb51.net/guihailiuli/";
newshref[1] = "http://www.jb51.net/guihailiuli/";
newstitle[2] = "博客园欢迎你哦";
newshref[2] = "http://www.jb51.net";
newstitle[3] = "ByeBye~~";
newshref[3] = "http://www.jb51.net";
function shownew(){
hwnewstr=newstitle[newsi]; //通过newsi传递，依次显示数组中的内容
newslink=newshref[newsi]; //依次显示文字对应的链接
if(txti>=hwnewstr.length){
clearInterval(txttimer); //一旦超过要显示的文字长度，清除对shownew()的周期性调用
clearInterval(newstimer);
newsi++; //显示数组中的下一个
if(newsi>=newstitle.length){
newsi = 0; //当newsi大于信息标题的数量时，把newsi清零，重新从第一个显示
}
newstimer = setInterval("shownew()",NewsTime); //间隔2000ms后重新调用shownew()
txti = 0;
return;
}
clearInterval(txttimer);
document.getElementById("Hotnews").href = newslink;
document.getElementById("Hotnews").innerHTML = hwnewstr.substring(0,txti+1); //截取字符，从第一个字符到txti+1个字符
txti++; //文字一个个出现
txttimer = setInterval("shownew()",TextTime);
}
shownew();
</script>
</body>
</html>
The above is the entire content of this article. I hope it can be helpful to everyone in learning javascript.
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