<%@page contentType="text/html" %>
<%@page pageEncoding="GB2312" %>
<html>
<script language="javascript">
var a=0;
var abc;
function up(){
a++;
abc = a;
document.write(abc);
}
</script>
<body>
<script language="javascript">
document.write("<input type='button' value=' up ' onclick='up()'/>");
document.write("abc的值:");
document.write(abc);
</script>
abc的值:
document.write(abc);
</body>
<html>
<input type='button' value='up' onclick='this.value=up()'/>
<script language="javascript">
var a=0;
var abc;
function up(){
a++;
abc = a;
return abc;
}
</script>
<input type='button' value='up' onclick='up()'/>
<div id="result">结果显示在这里</div>
<script language="javascript">
var a=0;
var abc;
var dr = document.getElementById('result');
function up(){
a++;
abc = a;
dr.innerHTML = abc;
}
dr.innerHTML = abc;
</script>
<div id="result">结果显示在这里</div>
<script language="javascript">
var a=0;
var abc;
var dr = document.getElementById('result');
function up(){
a++;
abc = a;
dr.innerHTML = abc;
}
//dr.innerHTML = abc;
</script>
将变量abc的值写入到dr元素(id为'result'的DIV元素)。