JavaScript 例题延迟10s 自动手动换图

时间：2022-09-19 21:07:55
<style type="text/css">

*

{

    margin:0px auto;

    padding:0px;

    font-family:"微软雅黑";}

#tuijian

{

    width:760px;

    height:474px;

    background-repeat:no-repeat;}

.pages

{

    top:230px;

    background-color:#FFF;

    background-position:center;

    background-repeat:no-repeat;

    opacity:0.4;

    width:30px;

    height:60px

    }

#p1

{

    background-image:url(zuo.png);

    float:left;

    margin:150px 0px 0px 10px;}

#p2

{

    background-image:url(you.png);

    float:right;

    margin:150px 10px 0px 0px;}

</style>

</head>

<body>

<!--2.换图-->

<div id="tuijian" style="background-image:url(t1.jpg);">

<div class="pages" id="p1" onclick="dodo(-1)"></div>

<div class="pages" id="p2" onclick="dodo(1)"></div>

</div>

<!--1.10s后同意-->

<form>

<input id="wait" type="button" value="同意(10)" disabled="disabled" />

</form>

</body>

</html>

<script language="javascript">

var jpg = new Array();

jpg[0]="url(t1.jpg)";

jpg[1]="url(t2.jpg)";

jpg[2]="url(t3.jpg)";

var tjmg = document.getElementById("tuijian");

var xb=0;var n=0;

function huan()

{

    xb++;

    if(xb==jpg.length)

    {

        xb=0;

    }

    tjmg.style.backgroundImage=jpg[xb];

    if(n==0)

    {

        var id = window.setTimeout("huan()",3000);

    }

}

function dodo(m)

{

    n=1;

    xb=xb+m;

    if(xb<0)

    {

        xb=jpg.length-1;

    }

    else if(xb>=jpg.length)

    {

        xb=0;

    }

    tjmg.style.backgroundImage=jpg[xb];

}

window.setTimeout("huan()",3000);

var n=10;

var wait = document.getElementById("wait");

function bian()

{

    n--;

    if(n==0)

    {

        wait.removeAttribute("disabled");

        wait.value="同意";

        return;

    }

    else

    {

        wait.value="同意("+n+")";

        window.setTimeout("bian()",1000);

    }

}

window.setTimeout("bian()",1000);

</script>

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