想达到这样的效果,解决调用接口数据传来的多空格字符正确渲染在浏览器页面上,进而方便传值的问题(其实一般情况下,渲染值和实际值视觉效果有所不同)
var str="a b c"
var strArr=str.split("")//["b","","","b","","","","c"]
for(var i=0;i<strArr.length;i++){
if(!strArr[i].trim()){
strArr[i]=" "
}
}
//strArr=>["b"," "," ","b"," "," "," ","c"]
str=strArr.join("")//"a b c"
var str="a b c"
str=str.replace(new RegExp(/( )/g)," ")//"a b c"
//或者(注意括号里面是有一个空格的)
str=str.replace(/( )/g," ")//"a b c"