js中替换字符串的所有空格

Posted 2022-03-07 fangyan1994

 

<script>
        window.onload=function()
            var a = "杭州      上海 合肥"
            var b = a.replace(/\s+/g,",");
            alert(b)
        
    </script>

结果：杭州，上海，合肥