如何用数组的值替换字符串中的问号? [英] How to replace question marks inside a string with the values of an array?

问题描述

给出字符串'Hello ?, welcome to ?'和数组['foo', 'bar']，如何使用JavaScript(可能是jQuery，Underscore等)在一行代码中获得字符串'Hello foo, welcome to bar'?

Given the string 'Hello ?, welcome to ?' and the array ['foo', 'bar'], how do I get the string 'Hello foo, welcome to bar' in a single line of code with JavaScript (possibly with jQuery, Underscore, etc.)?

推荐答案

var s = 'Hello ?, welcome to ?';
var a = ['foo', 'bar'];
var i = 0;
alert(s.replace(/\?/g,function(){return a[i++]}));

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