douh9817 2010-11-28 07:46
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Sorry if title is not too clear but I think it's about right. NEhow, what I would like to do is a bit like (well is to a certain extent) building a widget with JQuery (pref), PHP & CSS.

What I would really like to happen is for a "member" of my site to simply paste 2 lines of code in their HTML to load the widget. Something like this:

<script type="text/javascript" src=""></script>

Then to display the widget something like this <div id="displaywidget"></div>

OK that bit is "easy" and ok. But how do I include JQuery or "something" to generate the widget in script.js

What I mean is "displaywidget" - the ID of the widget div will be the name of a php file on my server so essentially script.js will need to load displaywidget.php into the div displaywidget.

I think I use document.getElementById('displaywidget') to get the div but how do I then "write/insert/load" displaywidget.php inside the div?

Thinking as I write "pure" java can do "most of what I want i.e. document.getElementById('displaywidget'), BUT I would prefer to also "include" Jquery.js as I would like some aspects of the widget to use JQuery. Example being the JQuery UI date function.

Sorry if I am rambling a bit but trying to think as I go along. My "real" problem is I am not too sure on "pure" javascript i.e. getting the div to display/load displaywidget.php

Suggestions please. (Oh if I am barking up the wrong tree please feel free to tell me - nicely:) )

Thanks in advance

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  • doucan957495 2010-11-28 09:48

    After a bit more "trawling & thought" I found this code:

    (function() {
    // Localize jQuery variable
    var jQuery;
    /******** Load jQuery if not present *********/
    if (window.jQuery === undefined || window.jQuery.fn.jquery !== '1.4.2') {
    var script_tag = document.createElement('script');
    script_tag.onload = scriptLoadHandler;
    script_tag.onreadystatechange = function () { // Same thing but for IE
    if (this.readyState == 'complete' || this.readyState == 'loaded') {
    // Try to find the head, otherwise default to the documentElement
    (document.getElementsByTagName("head")[0] || document.documentElement).appendChild(script_tag);
    } else {
    // The jQuery version on the window is the one we want to use
    jQuery = window.jQuery;
    /******** Called once jQuery has loaded ******/
    function scriptLoadHandler() {
    // Restore $ and window.jQuery to their previous values and store the
    // new jQuery in our local jQuery variable
    jQuery = window.jQuery.noConflict(true);
    // Call our main function
    /******** Our main function ********/
    function main() { 
    jQuery(document).ready(function($) { 
    ******* Load CSS *******/
    var css_link = $("<link>", { 
    rel: "stylesheet", 
    type: "text/css", 
    href: "style.css" 
    /******* Load HTML *******/
    var jsonp_url = "";
    $.getJSON(jsonp_url, function(data) {
    $('#example-widget-container').html("This data comes from another server: " + data.html);
    })(); // We call our anonymous function immediately

    writtend by Alex Marandon and found here - works a treat, exactly what I wanted, including/installing JQuery into a .js file

    本回答被题主选为最佳回答 , 对您是否有帮助呢?



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