js中string和number类型互转换技巧

1、string-->number

string类型   *1  即可变成  number类型

2、number-->string

number类型  +’‘  即可变成  string 类型

<script type="text/javascript">function screenInfo() {var str = '012.8372';var s = 0;str = str * 1;alert(typeof (str));//numbers += '';alert(typeof (s));//stringvar boo = true;alert(typeof(boo));//booleanvar bs = Boolean(s);alert("bs:" + typeof (bs));//booleanalert("bsv:" + bs);//true}</script>