<script type="text/javascript">
var mystr="Hello World!";
var mynum=mystr.indexOf("o");
document.write(mystr.indexOf("o",mynum+1));
</script>
var mystr="Hello World!";
var mynum=mystr.indexOf("o");
document.write(mystr.indexOf("o",mynum+1));
</script>
2015-07-28
switch(myweek)
{
case 1:
case 2:
document.write("学习理念知识");
break;
case 3:
case 4:
document.write("到企业实践");
break;
case 5:
document.write("总结经验");
default:
document.write("周六、日休息和娱乐");
}
{
case 1:
case 2:
document.write("学习理念知识");
break;
case 3:
case 4:
document.write("到企业实践");
break;
case 5:
document.write("总结经验");
default:
document.write("周六、日休息和娱乐");
}
2015-07-28
{
case 1:
case 2:
document.write("学习理念知识");
break;
case 3:
case 4:
document.write("到企业实践");
break;
case 5:
document.write("总结经验");
break;
case 6:
case 7:
document.write("周六、日休息和娱乐");
}
case 1:
case 2:
document.write("学习理念知识");
break;
case 3:
case 4:
document.write("到企业实践");
break;
case 5:
document.write("总结经验");
break;
case 6:
case 7:
document.write("周六、日休息和娱乐");
}
2015-07-28
//创建数组
var arr = ['*','##',"***","&&","****","##*"];
arr[7] = "**";
//显示数组长度
alert(arr.length);
//将数组内容输出,完成达到的效果。
for(var i=0;i<arr.length;i++){
document.write(arr[i]+"<br>");
}
有一点需要注意的是在JS里面只要出错就不会显示出来的把
var arr = ['*','##',"***","&&","****","##*"];
arr[7] = "**";
//显示数组长度
alert(arr.length);
//将数组内容输出,完成达到的效果。
for(var i=0;i<arr.length;i++){
document.write(arr[i]+"<br>");
}
有一点需要注意的是在JS里面只要出错就不会显示出来的把
<script type=text/javascript>
document.write("JS进阶篇");
alert("关注JS高级篇");
</script>
document.write("JS进阶篇");
alert("关注JS高级篇");
</script>
2015-07-28
<script type="text/javascript">
var mylist = document.getElementById("tcon");
document.write(mylist.parentNode.parentNode.parentNode.lastChild.childNodes[0].nodeValue);
</script>
var mylist = document.getElementById("tcon");
document.write(mylist.parentNode.parentNode.parentNode.lastChild.childNodes[0].nodeValue);
</script>
2015-07-28