var myarr=new Array();
myarr[0]=80;
myarr[1]=60;
myarr[2]=99;
document.write("数组的第一个数值为:"+myarr[0]);
myarr[0]=80;
myarr[1]=60;
myarr[2]=99;
document.write("数组的第一个数值为:"+myarr[0]);
2015-07-20
代码得这样改 不然自动跳转》function goback(){window.history.back(); var s = setInterval(goback,1000);
var time=parseInt(document.getElementById("second").innerHTML);
if(time>0){ time-=1; document.getElementById("second").innerHTML=time;
}else{clearInterval(s);window.location="http://www.baidu.com","_blank";}}
var time=parseInt(document.getElementById("second").innerHTML);
if(time>0){ time-=1; document.getElementById("second").innerHTML=time;
}else{clearInterval(s);window.location="http://www.baidu.com","_blank";}}
这样还不错
<script type="text/javascript">
var mystr="Hello World!"
var a=mystr.indexOf("o");
var b=mystr.indexOf("o",a+1)
document.write(b);
</script>
<script type="text/javascript">
var mystr="Hello World!"
var a=mystr.indexOf("o");
var b=mystr.indexOf("o",a+1)
document.write(b);
</script>
2015-07-20
var a=document.createElement("li");
a.innerHTML="PHP";
otest.appendChild(a);
a.innerHTML="PHP";
otest.appendChild(a);
2015-07-20
<script type="text/javascript">
function clock(){
var time=new Date();
document.getElementById("clock").value = time;
}
var i = setInterval("clock()",1000)
</script>
<input type="button" value="Stop" onclick="clearInterval(i)" />
function clock(){
var time=new Date();
document.getElementById("clock").value = time;
}
var i = setInterval("clock()",1000)
</script>
<input type="button" value="Stop" onclick="clearInterval(i)" />
2015-07-20