</head>
<script type="text/javascript">
function GoBack() {
window.history.go(-1);
}
function GoForward() {
window.history.go(1);
}
</script>
</head>
<script type="text/javascript">
function GoBack() {
window.history.go(-1);
}
function GoForward() {
window.history.go(1);
}
</script>
</head>
2014-12-29
<script type="text/javascript">
var num=0;
var i;
function startCount(){
document.getElementById('count').value=num;
num=num+1;
i=setTimeout("startCount()",1000);
}
function stopCount(){
clearTimeout(i);
}
</script>
var num=0;
var i;
function startCount(){
document.getElementById('count').value=num;
num=num+1;
i=setTimeout("startCount()",1000);
}
function stopCount(){
clearTimeout(i);
}
</script>
2014-12-29
已采纳回答 / 夕文艺园
打好基础，多敲打代码，看下《JavaScript高级程序设计第三版》或者看下阮一峰老师的这个，http://javascript.ruanyifeng.com/
2014-12-28
已采纳回答 / 仗剑闯江湖
appendChild()方法需要一个节点作为参数，而这个参数是由createa()创造并返回的，没有return语句的话，appendChild()就接收不到参数了。
2014-12-28
已采纳回答 / Perona
注释给你看var myarr=new Array()；//声明数组myarrvar myarr1= new Array("010");//声明数组myarr1并赋值010var myarr2= new Array("-","84697581");//声明数组myarr2并赋值为-、84697581var c=myarr.concat(myarr1,myarr2);//声明变量C并赋值为数组myarr,数组myarr为myarr1和myarr2的连接document.write(c);//输出变量C
2014-12-28
已采纳回答 / 灿白
1、<script type="text/javascript">var str="How are you doing today?"document.write(str.split(" ") + "<br />")document.write(str.split("") + "<br />")document.write(str.split(" ",3))</script>调用一个字符串。2、var myarr1= new Array("010");var...
2014-12-28
