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
break;
case 5:
document.write("总结经验");
break;
default:
document.write("周六、日休息和娱乐");
注意最后的default
case 5:
document.write("总结经验");
break;
default:
document.write("周六、日休息和娱乐");
注意最后的default
2015-07-19
