也许

wrt=(s, arr=[])=>{
    arr.map((v,i)=>{s = s.replace(/\?/,v);});
    return s;
};
a='first var';
b='secondvar';
tr=wrt('<tr><td>?<td></td>?</td><tr>',[a,b]);
console.log(tr);
//or use tr in html(tr), append(tr) so on and so forth
// Use ? with care in s

在Firefox 34 / Chrome 41 / Safari 9 / Microsoft Edge之前，没有。尽管你可以尝试JavaScript的sprintf来实现:

var hello = "foo";
var my_string = sprintf("I pity the %s", hello);

2020年和平语录:

Console.WriteLine("I {0} JavaScript!", ">:D<");

console.log(`I ${'>:D<'} C#`)

在Firefox 34 / Chrome 41 / Safari 9 / Microsoft Edge之前，不，这在javascript中是不可能的。你将不得不求助于:

var hello = "foo";
var my_string = "I pity the " + hello;

String.prototype.interpole = function () {
    var c=0, txt=this;
    while (txt.search(/{var}/g) > 0){
        txt = txt.replace(/{var}/, arguments[c]);
        c++;
    }
    return txt;
}

Uso:

var hello = "foo";
var my_string = "I pity the {var}".interpole(hello);
//resultado "I pity the foo"

完整且随时可用的回答<ES6:

 var Strings = {
        create : (function() {
                var regexp = /{([^{]+)}/g;

                return function(str, o) {
                     return str.replace(regexp, function(ignore, key){
                           return (key = o[key]) == null ? '' : key;
                     });
                }
        })()
};

电话是

Strings.create("My firstname is {first}, my last name is {last}", {first:'Neo', last:'Andersson'});

将它附加到String.prototype:

String.prototype.create = function(o) {
           return Strings.create(this, o);
}

然后使用as:

"My firstname is ${first}".create({first:'Neo'});

如果你在>ES6上，那么你也可以这样做:

let first = 'Neo'; 
`My firstname is ${first}`;