第1个回答 2015-01-19
<html>
<head>
<style type="text/css">
</style>
<script type="text/javascript">
function buttonClick(){
var ss = document.getElementById('ss').value;
var positiveNumber = 0;
var negativeNumber = 0;
var zeroNumber = 0;
var cc = ss.split(' ');
for(var i in cc){
if(cc[i] > 0){
positiveNumber++;
}
else if(cc[i] < 0){
negativeNumber++;
}
else{
zeroNumber++;
}
}
alert('positiveNumber: '+positiveNumber + ' negativeNumber: ' + negativeNumber +" zeroNumber:"+ zeroNumber)
}
</script>
<head>
<body>
<div >
<input id ="ss" type="text" />
<input type="button" onclick="buttonClick()" value="buttonClick (多个数值以空格 隔开)"/>
</div>
</body>
</html>本回答被网友采纳