{"id":275,"date":"2012-08-28T10:51:00","date_gmt":"2012-08-28T10:51:00","guid":{"rendered":"http:\/\/gaigaiming.com\/?p=275"},"modified":"2012-08-28T10:51:00","modified_gmt":"2012-08-28T10:51:00","slug":"settimeout%e4%b8%8esetinterval%e5%8c%ba%e5%88%ab","status":"publish","type":"post","link":"https:\/\/www.gaigaiming.com\/index.php\/2012\/08\/28\/settimeout%e4%b8%8esetinterval%e5%8c%ba%e5%88%ab\/","title":{"rendered":"setTimeout\u4e0esetInterval\u533a\u522b"},"content":{"rendered":"
\n

http:\/\/yulimeander.blog.sohu.com\/104279384.html<\/a><\/span><\/p>\n

 <\/p>\n

 <\/p>\n

window\u5bf9\u8c61\u6709\u4e24\u4e2a\u4e3b\u8981\u7684\u5b9a\u65f6\u65b9\u6cd5\uff0c\u5206\u522b\u662fsettimeout \u548c setinteval\u3000 \u4ed6\u4eec\u7684\u8bed\u6cd5\u57fa\u672c\u4e0a\u76f8\u540c\uff0c\u4f46\u662f\u5b8c\u6210\u7684\u529f\u80fd\u53d6\u6709\u533a\u522b\u3002 <\/p>\n

\u3000\u3000settimeout\u65b9\u6cd5\u662f\u5b9a\u65f6\u7a0b\u5e8f\uff0c\u4e5f\u5c31\u662f\u5728\u4ec0\u4e48\u65f6\u95f4\u4ee5\u540e\u5e72\u4ec0\u4e48\u3002\u5e72\u5b8c\u4e86\u5c31\u62c9\u5012\u3002 <\/p>\n

\u3000\u3000setinterval\u65b9\u6cd5\u5219\u662f\u8868\u793a\u95f4\u9694\u4e00\u5b9a\u65f6\u95f4\u53cd\u590d\u6267\u884c\u67d0\u64cd\u4f5c\u3002 <\/p>\n

\u3000\u3000\u5982\u679c\u7528settimeout\u5b9e\u73b0setinerval\u7684\u529f\u80fd\uff0c\u5c31\u9700\u8981\u5728\u6267\u884c\u7684\u7a0b\u5e8f\u4e2d\u518d\u5b9a\u65f6\u8c03\u7528\u81ea\u5df1\u624d\u884c\u3002\u5982\u679c\u8981\u6e05\u9664\u8ba1\u6570\u5668\u9700\u8981 \u6839\u636e\u4f7f\u7528\u7684\u65b9\u6cd5\u4e0d\u540c\uff0c\u8c03\u7528\u4e0d\u540c\u7684\u6e05\u9664\u65b9\u6cd5\uff1a <\/p>\n

\n
\n

1.setTimeout(\u8868\u8fbe\u5f0f,\u5ef6\u65f6\u65f6\u95f4) 
\u5728\u6267\u884c\u65f6,\u662f\u5728\u8f7d\u5165\u540e\u5ef6\u8fdf\u6307\u5b9a\u65f6\u95f4\u540e,\u53bb\u6267\u884c\u4e00\u6b21\u8868\u8fbe\u5f0f,\u8bb0\u4f4f,\u6b21\u6570\u662f\u4e00\u6b21 \uff0csetTimeOut \u5ef6\u8fdf\u6267\u884c\u4e00\u6b21(\u53ea\u6267\u884c\u4e00\u6b21) \u653e\u63a7\u5236\u51fd\u6570\u5185\u90e8<\/p>\n

\u4f8b\u5b50\uff1asetTimeout\u8c03\u7528\u53c8\u8fd4\u56de\u503c\u7684\u51fd\u6570<\/p>\n

<html>
<head>
<title>setTimeout\u8c03\u7528\u53c8\u8fd4\u56de\u503c\u7684\u51fd\u6570<\/title>
<script language="javascript" type="text\/javascript">
    var retValue = "";<\/p>\n

    function test()
    {
        return "\u54c8\u54c8\u54c8\u54c8\u54c8";
    }<\/p>\n

    function clickButton1()
    {
        var iTimeoutId = setTimeout("retValue = test() ",1000);
    }
    
    function clickButton2()
    {
        alert(retValue);
    }
    
<\/script>
<\/head>
<body>
    <input type="button" onclick="clickButton1()" value="button1">
    <input type="button" onclick="clickButton2()" value="button2">
<\/body>
<\/html>
\u4f8b\u5b50\uff1a\u7528setTimeout\u5b9e\u73b0\u7684\u81ea\u52a8\u53d8\u5316\u663e\u793a\u968f\u673a\u6570\u7684\u6548\u679c: <\/p>\n

<html> 
<head> 
<script> 
window.onload=sett; 
function sett() 
{ 
document.body.innerHTML=Math.random(); 
setTimeout("sett()",500); 
} 
<\/script> 
<\/head> 
<body> 
<\/body> 
<\/html> <\/p>\n

2.setInterval(\u8868\u8fbe\u5f0f,\u4ea4\u4e92\u65f6\u95f4) 
\u5219\u4e0d\u4e00\u6837,\u5b83\u4ece\u8f7d\u5165\u540e,\u6bcf\u9694\u6307\u5b9a\u7684\u65f6\u95f4\u5c31\u6267\u884c\u4e00\u6b21\u8868\u8fbe\u5f0f \uff0csetInterval \u5b9a\u65f6\u6267\u884c\u4e00\u6b21(\u5faa\u73af\u6267\u884c) \u653e\u63a7\u5236\u51fd\u6570\u5916\u90e8 <\/p>\n

\u4f8b\u5b50\uff1a\u7528setInterval\u5b9e\u73b0\u7684\u81ea\u52a8\u53d8\u5316\u663e\u793a\u968f\u673a\u6570\u7684\u6548\u679c: <\/p>\n

<html> 
<head> 
<script> 
function sett() 
{ 
document.body.innerHTML=Math.random(); 
} 
setInterval("sett();", 500); 
<\/script> 
<\/script> 
<\/head> 
<body> 
<\/body> 
<\/html>
\u4f8b\u5b50\uff1a
<html> 
<head> 
<script language="javascript"> 
function text(){ 
this.aa="aaaa"; 
this.aa="adfadf"; 
window.obj = this; 
this.showMsg=msg; 
function msg(){ 
alert(obj.aa); 
setTimeout("obj.showMsg()",1000); 
} 
} 
var text1=new text; 
text1.showMsg(text1); 
<\/script> <\/p>\n

<\/head> 
<body> 
<\/body> 
<\/html><\/p>\n

 <\/p>\n

 <\/p>\n

\u505c\u6b62\uff1a<\/strong>
\u4e3b\u8981\u662f\u5229\u7528 
window.clearInterval(intervalID); 
window.clearTimeout(timeoutID); 
<SCRIPT>   
  var   intervalID=0;   
  function   f_start(){   
  intervalID=window.setInterval("f_add()",500);   
  }   
  function   f_add(){   
  }   
  function   f_stop(){   
  window.clearInterval(intervalID);   
  }   
  <\/SCRIPT>  <\/p>\n

 <\/p>\n

 <\/p>\n

 <\/p>\n

 <\/p>\n

*********************************<\/p>\n

 \u4e0a\u4e00\u7bc7\u5199\u4e86\u5173\u4e8esetTimeout\u7684\u4e1c\u897f\uff0c\u60f3\u518d\u5199\u70b9setInterval\u7684, \u5e76\u4e14\u8fd9\u6b21\u5199\u7684\u4e25\u8c28\u4e9b\u3002
    Java\u53ef\u53d1\u8005\u719f\u6089\u5bf9\u8c61\u7684wait()\u65b9\u6cd5\uff0c\u53ef\u4f7f\u7a0b\u5e8f\u6682\u505c\uff0c\u518d\u7ee7\u7eed\u6267\u884c\u4e0b\u4e00\u884c\u4ee3\u7801\u524d\uff0c\u7b49\u5f85\u6307\u5b9a\u7684\u65f6\u95f4\u91cf\u3002 \u8fd9\u79cd\u529f\u80fd\u975e\u5e38\u6709\u7528\uff0c\u9057\u61be\u7684\u662f\uff0cJavaScript \u672a\u63d0\u4f9b\u76f8\u5e94\u7684\u652f\u6301\u3002 \u4f46\u8fd9\u79cd\u529f\u80fd\u5e76\u975e\u5b8c\u5168\u4e0d\u80fd\u5b9e\u73b0\uff0c\u6709\u51e0\u79cd\u65b9\u6cd5\u53ef\u4ee5\u91c7\u7528\u3002
    JavaScript\u652f\u6301\u6682\u505c\u548c\u65f6\u95f4\u95f4\u9694\uff0c\u8fd9\u53ef\u6709\u6548\u5730\u544a\u8bc9\u6d4f\u89c8\u5668\u5e94\u8be5\u4f55\u65f6\u6267\u884c\u67d0\u884c\u4ee3\u7801\u3002 \u6240\u8c13\u6682\u505c\uff0c\u662f\u5728\u6307\u5b9a\u7684\u6beb\u79d2\u6570\u540e\u6267\u884c\u7684\u4ee3\u7801\u3002 \u65f6\u95f4\u95f4\u9694\u662f\u53cd\u590d\u6267\u884c\u6307\u5b9a\u7684\u4ee3\u7801\uff0c\u6bcf\u6b21\u6267\u884c\u4e4b\u95f4\u7b49\u5f85\u6307\u5b9a\u7684\u6beb\u79d2\u6570\u3002
    \u53ef\u4ee5\u7528window\u5bf9\u8c61\u7684setTimeout()\u65b9\u6cd5\u8bbe\u7f6e\u6682\u505c\u3002\u8be5\u65b9\u6cd5\u63a5\u53d7\u4e24\u4e2a\u53c2\u6570\uff0c\u8981\u6267\u884c\u7684\u4ee3\u7801\u548c\u5728\u6267\u884c\u5b83\u4e4b\u524d\u8981\u7b49\u5f85\u7684\u6beb\u79d2\u6570(1\/1000\u79d2)\u3002\u7b2c\u4e00\u4e2a\u53c2\u6570\u53ef\u4ee5\u662f\u4ee3\u7801\u4e32(\u4e0eeval()\u51fd\u6570\u7684\u53c2\u6570\u76f8\u540c)\uff0c\u4e5f\u53ef\u4ee5\u662f\u51fd\u6570\u6307\u9488\u3002\u4f8b\u5982\uff0c\u4e0b\u9762\u7684\u4ee3\u7801\u90fd\u57281\u79d2\u949f\u540e\u663e\u793a\u4e00\u6761\u8b66\u544a\uff1a
    setTimeout("alert(&apos;Hello World!&apos;)",1000);
    setTimeout(function(){ alert(&apos;Hello World!&apos;); },1000);
\u5f53\u7136\uff0c\u8fd8\u53ef\u4ee5\u5f15\u7528\u4ee5\u524d\u5b9a\u4e49\u7684\u51fd\u6570\uff1a
    function sayHelloWorld()
    {
        alert("Hello World!");
    }<\/p>\n

    setTimeout(sayHelloWorld,1000);
    \u8c03\u7528setTimeout()\u65f6\uff0c\u5b83\u521b\u5efa\u4e00\u4e2a\u6570\u5b57\u6682\u505cID\uff0c\u4e0e\u64cd\u4f5c\u7cfb\u7edf\u4e2d\u7684\u8fdb\u7a0bID\u76f8\u4f3c\u3002\u6682\u505cID\u672c\u8d28\u4e0a\u662f\u8981\u5ef6\u8fdf\u7684\u8fdb\u7a0bID\uff0c\u518d\u8c03\u7528 setTimeout()\u540e\uff0c\u5c31\u4e0d\u5e94\u8be5\u518d\u6267\u884c\u5b83\u7684\u4ee3\u7801\u3002\u8981\u53d6\u6d88\u8fd8\u672a\u6267\u884c\u7684\u6682\u505c\uff0c\u53ef\u8c03\u7528clearTimeout()\u65b9\u6cd5\uff0c\u5e76\u5c06\u6682\u505cID\u4f20\u9012\u7ed9\u5b83\uff1a
    var iTimeoutId = setTimeout("alert(&apos;Hello World!&apos;)",1000);
    alert(iTimeoutId);
    clearTimeout(iTimeoutId);
\u5176\u4e2d\uff0ciTimeoutId \u662f\u4e00\u4e32\u6570\u5b57\uff0c\u4f8b\u5982 38734218 <\/p>\n

    \u4f60\u4e5f\u8bb8\u4f1a\u95ee\uff1a\u201c\u4e3a\u4ec0\u4e48\u8981\u5b9a\u4e49\u6682\u505c\uff0c\u53c8\u5728\u6267\u884c\u5b83\u4e4b\u524d\u5c06\u5176\u53d6\u6d88\u5462\uff1f\u201d\u8bf7\u8003\u8651\u5728\u5927\u591a\u6570\u5e94\u7528\u7a0b\u5e8f\u4e2d\u53ef\u89c1\u7684\u5de5\u5177\u63d0\u793a\u3002\u5f53\u628a\u9f20\u6807\u79fb\u52a8\u5230\u4e00\u4e2a\u6309\u94ae\u4e0a\u65f6\uff0c\u505c\u7559\u4e00\u4f1a\uff0c\u7b49\u5f85\u51fa\u73b0\u9ec4\u8272\u7684\u6587\u672c\u6846\uff0c\u63d0\u793a\u8be5\u6309\u94ae\u7684\u529f\u80fd\u3002\u5982\u679c\u53ea\u662f\u77ed\u6682\u7684\u628a\u9f20\u6807\u8be5\u6309\u94ae\u4e0a\uff0c\u7136\u540e\u5f88\u5feb\u5c06\u5176\u79fb\u52a8\u5230\u53e6\u4e00\u4e2a\u6309\u94ae\u4e0a\uff0c\u90a3\u4e48\u7b2c\u4e00\u4e2a\u6309\u94ae\u7684\u5de5\u5177\u63d0\u793a\u5c31\u4e0d\u4f1a\u663e\u793a\uff0c\u8fd9\u5c31\u662f\u8981\u5728\u6267\u884c\u6682\u505c\u4ee3\u7801\u524d\u53d6\u6d88\u5b83\u7684\u539f\u56e0\u3002\u56e0\u4e3a\u4f60\u5728\u6267\u884c\u4ee3\u7801\u524d\u53ea\u60f3\u7b49\u5f85\u6307\u5b9a\u7684\u65f6\u95f4\u91cf\u3002\u5982\u679c\u7528\u6237\u7684\u64cd\u4f5c\u4ea7\u751f\u4e86\u4e0d\u540c\u7684\u7ed3\u679c\uff0c\u5219\u8981\u53d6\u6d88\u8be5\u6682\u505c\u3002
    \u65f6\u95f4\u95f4\u9694\u4e0e\u6682\u505c\u7684
\n\u8fd0\u884c\u65b9\u5f0f\u76f8\u4f3c\uff0c\u53ea\u662f\u5b83\u65e0\u9650\u6b64\u5730\u6bcf\u9694\u6307\u5b9a\u7684\u65f6\u95f4\u6bb5\u5c31\u91cd\u590d\u6267\u884c\u4e00\u6b21\u6307\u5b9a\u7684\u4ee3\u7801\u3002\u53ef\u8c03\u7528setInterval()\u65b9\u6cd5\u8bbe\u7f6e\u65f6\u95f4\u95f4\u9694\uff0c\u5b83\u7684\u53c2\u6570\u4e0esetTimeout()\u76f8\u540c\uff0c\u662f\u8981\u6267\u884c\u7684\u4ee3\u7801\u548c\u6bcf\u6b21\u6267\u884c\u4e4b\u95f4\u7b49\u5f85\u7684\u6beb\u79d2\u6570\u3002\u4f8b\u5982\uff1a
    setInterval("alert(&apos;Hello world!&apos;)",1000);
    setInterval(function() { alert("Hello world!"); },1000);<\/p>\n

    function sayHelloWorld()
    {
        alert("Hello World!");
    }<\/p>\n

    setInterval(sayHelloWorld,1000);
    \u6b64\u5916\uff0c\u4e0esetTimeout()\u7c7b\u4f3c\uff0csetInterval()\u65b9\u6cd5\u4e5f\u521b\u5efa\u65f6\u95f4\u95f4\u9694ID\uff0c\u4ee5\u6807\u8bc6\u8981\u6267\u884c\u7684\u4ee3\u7801\u3002clearInterval()\u65b9\u6cd5\u53ef\u7528\u8fd9\u4e2aID\u963b\u6b62\u518d\u6b21\u6267\u884c\u8be5\u4ee3\u7801\u3002\u663e\u7136\u3002\u8fd9\u4e00\u70b9\u5728\u4f7f\u7528\u65f6\u95f4\u95f4\u9694\u65f6\u66f4\u91cd\u8981\uff0c\u56e0\u4e3a\u5982\u679c\u4e0d\u53d6\u6d88\u65f6\u95f4\u95f4\u9694\uff0c\u5c31\u4f1a\u4e00\u76f4\u6267\u884c\u5b83\uff0c\u76f4\u5230\u9875\u9762\u88ab\u5378\u8f7d\u4e3a\u6b62\u3002\u4e0b\u9762\u662f\u65f6\u95f4\u95f4\u9694\u7528\u6cd5\u7684\u4e00\u4e2a\u5e38\u89c1\u793a\u4f8b\uff1a
    var iNum = 0;
    var iMax = 100;
    var iIntervalId = null;<\/p>\n

    function incNum()
    {
        iNum++;<\/p>\n

        if(iNum == iMax)
        {
            clearInterval(iIntervalId);
        }
    }<\/p>\n

    iIntervalId = setInterval(incNum, 500);
    \u5728\u8fd9\u6bb5\u4ee3\u7801\u4e2d\uff0c\u6bcf\u9694500\u6beb\u79d2\u5c31\u5bf9\u6570\u5b57iNum\u8fdb\u884c\u4e00\u6b21\u589e\u91cf\u8fd0\u7b97\uff0c\u76f4\u5230\u5b83\u8fbe\u5230\u6700\u5927\u503c(iMax), \u6b64\u65f6\u8be5\u65f6\u95f4\u95f4\u9694\u5c06\u88ab\u6e05\u9664\u3002\u4e5f\u53ef\u4ee5\u7528\u6682\u505c\u5b9e\u73b0\u8be5\u64cd\u4f5c\uff0c\u8fd9\u6837\u5373\u4e0d\u5fc5\u8ddf\u8e2a\u65f6\u95f4\u95f4\u9694\u7684ID\uff0c\u4ee3\u7801\u5982\u4e0b\uff1a
    var iNum = 0;
    var iMax = 100;
    function incNum()
    {
        iNum++;
        if(iNum != iMax)
        {
            setTimeout(incNum,500);
        }
    }<\/p>\n

    setTimeout(incNum,500);
    \u8fd9\u6bb5\u4ee3\u7801\u4f7f\u7528\u94fe\u63a5\u6682\u505c\uff0c\u5373setTimeout()\u6267\u884c\u7684\u4ee3\u7801\u9875\u8c03\u7528\u4e86setTimeout()\u3002\u5982\u679c\u5728\u6267\u884c\u8fc7\u589e\u91cf\u8fd0\u7b97\u540e\uff0ciNum\u4e0d\u7b49\u4e8e iMax,\u5c31\u8c03\u7528setTimeout()\u65b9\u6cd5\u3002\u4e0d\u5fc5\u8ddf\u8e2a\u6682\u505cID\uff0c\u4e5f\u4e0d\u5fc5\u6e05\u9664\u5b83\uff0c\u56e0\u4e3a\u4ee3\u7801\u6267\u884c\u540e\uff0c\u5c06\u9500\u6bc1\u6682\u505cID\u3002<\/p>\n<\/div>\n<\/div>\n

 <\/p>\n<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"

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