<script type="text/javascript">
var mystr="Hello World!"
document.write(mystr.indexOf('o',mystr.indexOf('o')+1));
</script>
var mystr="Hello World!"
document.write(mystr.indexOf('o',mystr.indexOf('o')+1));
</script>
2015-07-06
最赞回答 / qq_清羽_0
<!DOCTYPE HTML><html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"><title>计时器</title></head><script type="text/javascript"> var num=0; var i; function startCount(){ document....
2015-07-06
<script type="text/javascript">
function sortNum(a,b) {
return a-b;
}
var myarr = new Array("80","16","50","16","100","1");
document.write(myarr.reverse(myarr.sort(sortNum)));
function sortNum(a,b) {
return a-b;
}
var myarr = new Array("80","16","50","16","100","1");
document.write(myarr.reverse(myarr.sort(sortNum)));
2015-07-06
function clearText() {
var content=document.getElementById("content");
// 在此完成该函数
for(var i=content.childNodes.length-1;i>=0;i--){
var x=content.removeChild(content.childNodes[i]);
x=null;
}
}
var content=document.getElementById("content");
// 在此完成该函数
for(var i=content.childNodes.length-1;i>=0;i--){
var x=content.removeChild(content.childNodes[i]);
x=null;
}
}
2015-07-06
var otest = document.getElementById("test");
var newnode=document.createElement("li");
newnode.innerHTML="php";
otest.insertBefore(newnode,otest.lastChild);
var newnode=document.createElement("li");
newnode.innerHTML="php";
otest.insertBefore(newnode,otest.lastChild);
2015-07-06
if(z!=null){
document.write("<br />previoussibling:");
document.write(z.nodeName);
document.write("=");
document.write(z.innerHTML);
}else{
document.write("<br>已是第一个节点");
}
document.write("<br />previoussibling:");
document.write(z.nodeName);
document.write("=");
document.write(z.innerHTML);
}else{
document.write("<br>已是第一个节点");
}
2015-07-06
function get_previousSibling(n){
var x=n.previousSibling;
while(x && x.nodeType!=1){
x=x.previousSibling;
}
return x;
}
var z=get_previousSibling(x);
var x=n.previousSibling;
while(x && x.nodeType!=1){
x=x.previousSibling;
}
return x;
}
var z=get_previousSibling(x);
2015-07-06
