SPrint.js - s[tring]print

sprint-tests.js

// ------------ Tests

var s0,
    s1;
    
// Ordered Array mode
s0 = sprint("This is %s %s call, using an %s in order", "a", "function", "array");



// Ordered|Unordered Obejct Literal mode
s1 = sprint("This is a %s*sw function, %s*ma! You need to %s*ch this out", {
    ma: "mang",
    sw: "sweet",
    ch: "check"
});


console.log(s0);
console.log(s1);

sprint.js

function sprint(str) {
    var o, regex;
    o = Array.prototype.slice.call(arguments, 1);
    regex = /%s\*([a-zA-Z0-9\-_]+)/g;
  
    // Make sure the input is (at least barley) legit;
    if (typeof str !== "string" || typeof o !== "object") {
        return;
    }
  
    if (regex.test(str)) {
        str = str.replace(regex, function (found, match) {
            return o[0][match];
        });
    } else {
        for (var i = 0; i < o.length; i++) {
            str = str.replace(/%s/, o[i]);
        }
    }
    return str;
}

use.md

Use

Ordered method:

sprint(string, replacement [, replacement ... ]);

Key->Value Method:

sprint(string, Object);

The object should be a JS Object Litereal.