<script>
function sl(v){
if (v>10000)
{
document.getElementById('pr').innerHTML="万元"
}
if (v=""){
document.getElementById('pr').innerHTML="元"
}
}
</script>
<form>
<input type="text" onchange="sl(this.value)"/><span id="pr">元</span>
</form>跪求实现以上逻辑的类似效果.
function sl(v){
if (v>10000)
{
document.getElementById('pr').innerHTML="万元"
}
if (v=""){
document.getElementById('pr').innerHTML="元"
}
}
</script>
<form>
<input type="text" onchange="sl(this.value)"/><span id="pr">元</span>
</form>跪求实现以上逻辑的类似效果.
if (v=""){}
请用if(v==""){}代码如下:<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<html>
<head>
<title> New Document </title>
<meta name="Generator" content="EditPlus">
<meta name="Author" content="">
<meta name="Keywords" content="">
<meta name="Description" content="">
</head><body>
<script>
function sl(v){
if (eval(v)>10000)
{
document.getElementById('pr').innerHTML="万元"
}
if (eval(v)<10000){
document.getElementById('pr').innerHTML="元"
}
}
</script>
<form>
<input type="text" onchange="sl(this.value)"/><span id="pr">元</span>
</form>
</body>
</html>