<script type="text/javascript">
//待分隔的字符串
var str="12,345,22";
//把str按逗号分隔后,并把分隔后的内容存放在strArr数组中
var strArr = str.split(",");
//遍历并输出数组中的内容
for(i=0; i<strArr.length;i++)
document.write(strArr[i] + " ")
</script>
//待分隔的字符串
var str="12,345,22";
//把str按逗号分隔后,并把分隔后的内容存放在strArr数组中
var strArr = str.split(",");
//遍历并输出数组中的内容
for(i=0; i<strArr.length;i++)
document.write(strArr[i] + " ")
</script>
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第1个回答 推荐于2016-11-09
//用逗号隔开字符串成数组打印。
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>每天一个JavaScript实例-分割字符串</title>
<script>
window.onload = function(){
var keywordList = prompt("输入字符，用","分开");
var arrayList = keywordList.split(",",2);
console.log(arrayList);
var resultString="";
for(var i = 0; i < arrayList.length;i++){
resultString+="keyword:" + arrayList[i] + "<br />";
}
var aaa = document.getElementById("result");
aaa.innerHTML = resultString;
}
</script>
</head>
<body>
<div id = "result"></div>
</body>
</html>
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>每天一个JavaScript实例-分割字符串</title>
<script>
window.onload = function(){
var keywordList = prompt("输入字符，用","分开");
var arrayList = keywordList.split(",",2);
console.log(arrayList);
var resultString="";
for(var i = 0; i < arrayList.length;i++){
resultString+="keyword:" + arrayList[i] + "<br />";
}
var aaa = document.getElementById("result");
aaa.innerHTML = resultString;
}
</script>
</head>
<body>
<div id = "result"></div>
</body>
</html>
第2个回答 2010-04-01
var str = "12,345,22";
var arr = str.split(","); //得到一个数组
alert(arr.join("\n"));
var arr = str.split(","); //得到一个数组
alert(arr.join("\n"));
第3个回答 2010-04-01
和java一样str.split(",")本回答被提问者采纳
第4个回答 2010-04-01
document.write(str.replace(/,/g, ' '))
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