JavaScript Template Test

JavaScriptTemplate

var template = (function() {
    var defaultNeedle = new RegExp(/__(.+?)__/g);
    return function(template, obj, needle) {
        needle = needle || defaultNeedle;
        var evalString = '"' + template.replace(needle, "\"+obj.$1+\"") + '"';
        if(obj["length"] && obj["push"]) {
            var src = obj, dst = [];
            for(var i = 0; i < src.length; i++) {
                obj = src[i];
                dst.push(eval(evalString));
            }
            return dst;
        } else {
            return eval(evalString);
        }
    }
}());

dom = "<div><h1>__title__</h1><h2>__subtitle__</h2></div>";
res = template(
    dom,
    [
        {
            title : "Demo",
            subtitle : "Sub Title 1"
        },{
            title : "Demo",
            subtitle : "Sub Title 2"
        }
    ]
);
console.log(res);

res = template(dom, {
        title : "bar",
        subtitle : "st"
    }
);
console.log(res);