Simplest JS template engine

nanoTpl.js

/*
 * String nanoTpl (String template, Object data)
 *
 * Usage: nanoTpl('Hello ${name}! (not ${name}?)', { name: 'Gandalf' })
 *
 * Result: Hello Gandalf! (not Gandalf?)
 */
function nanoTpl (template, data) {

    var result = template;

    for (var field in data) {
        var re = new RegExp( '\\$\\{' + field + '\\}', 'gi' );
        result = result.replace(re, data[field]);
    }

    return result;
}