micro_template.js

// Simple JavaScript Templating
// John Resig - http://ejohn.org/ - MIT Licensed

(function () {
    var cache = {};

    this.tmpl = function tmpl(str, data) {
        var fn = !/\W/.test(str) ?
            cache[str] = cache[str] ||
                tmpl(document.getElementById(str).innerHTML) :
                new Function("obj",
                    "var p = [], print = function () { p.push.apply(p, arguments); };" +
                    "with(obj) { p.push('" +
                        str
                            .replace(/[\r\t\n]/g, " ")
                            .split("<%").join("\t")
                            .replace(/((^|%>)[^\t]*)'/g, "$1\r")
                            .replace(/\t=(.*?)%>/g, "',$1,'")
                            .split("\t").join("');")
                            .split("%>").join("p.push('")
                            .split("\r").join("\\'")
                        + "'); } return p.join('');"
                );
        return data ? fn(data) : fn;
    };
})();