Only load once example pattern

[frank-dspeed]

blog = {};
blog.comments = blog.comments || {};
blog.comments.debugMode = false;

blog.isFirstLoad = function(namesp, jsFile) {
    var isFirst = namesp.firstLoad === undefined;
    namesp.firstLoad = false;
    
    if (!isFirst) {
        console.log(
            "Warning: Javascript file is included twice: " + 
                jsFile);
    }

    return isFirst;
};


$(document).ready(function () {
    if (!blog.isFirstLoad(blog.comments, "comments.js")) {
        return;
    }

    // normal event handling stuff.
    $("#nameIt").click(function(e) {
        var name= $("input[type=text]").val();    
        $("#nameOut")
            .append("<div>Hi there " + name + "</div>");
    });
});