html [jscript]终极iFrame嵌入！

Posted 2021-05-11

/*! iFrame Resizer (iframeSizer.min.js ) - v2.6.1 - 2014-09-03
 *  Desc: Force cross domain iframes to size to content.
 *  Requires: iframeResizer.contentWindow.min.js to be loaded into the target frame.
 *  Copyright: (c) 2014 David J. Bradshaw - [e-mail]
 *  License: MIT
 */

!function(){"use strict";function a(a,b,c){"addEventListener"in window?a.addEventListener(b,c,!1):"attachEvent"in window&&a.attachEvent("on"+b,c)}function b(){var a,b=["moz","webkit","o","ms"];for(a=0;a<b.length&&!w;a+=1)w=window[b[a]+"RequestAnimationFrame"];w||c(" RequestAnimationFrame not supported")}function c(a){y.log&&"object"==typeof console&&console.log(s+"[Host page"+u+"]"+a)}function d(a){function b(){function a(){h(z),f(),y.resizedCallback(z)}i(a,z,"resetPage")}function d(a){var b=a.id;c(" Removing iFrame: "+b),a.parentNode.removeChild(a),y.closedCallback(b),c(" --")}function e(){var a=x.substr(t).split(":");return{iframe:document.getElementById(a[0]),id:a[0],height:a[1],width:a[2],type:a[3]}}function j(a){var b=Number(y["max"+a]),d=Number(y["min"+a]),e=a.toLowerCase(),f=Number(z[e]);if(d>b)throw new Error("Value for min"+a+" can not be greater than max"+a);c(" Checking "+e+" is in range "+d+"-"+b),d>f&&(f=d,c(" Set "+e+" to min value")),f>b&&(f=b,c(" Set "+e+" to max value")),z[e]=""+f}function k(){var b=a.origin,d=z.iframe.src.split("/").slice(0,3).join("/");if(y.checkOrigin&&(c(" Checking connection is from: "+d),""+b!="null"&&b!==d))throw new Error("Unexpected message received from: "+b+" for "+z.iframe.id+". 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/*! iFrame Resizer (iframeSizer.contentWindow.min.js) - v2.6.1 - 2014-09-03
 *  Desc: Include this file in any page being loaded into an iframe
 *        to force the iframe to resize to the content size.
 *  Requires: iframeResizer.min.js on host page.
 *  Copyright: (c) 2014 David J. Bradshaw - [e-mail]
 *  License: MIT
 */

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//# sourceMappingURL=../src/iframeResizer.contentWindow.map

var scripts = document.getElementsByTagName('script');
var myScript = scripts[scripts.length - 1];
var myScriptSrc = myScript.src;

if (myScriptSrc.indexOf('embed.js') > -1) {
    
    //*** create the params object and assing values to it.***//
    //*** use params passed to the JS file.***//
    var queryString = myScriptSrc.replace(/^[^\?]+\??/, '');
    var params = parseQuery(queryString);
    
    if (typeof params.partner != 'undefined') {
        if (params.partner.length == 0) {
            params.partner = 'JustFacts';
        }
    } else {
        params.partner = 'JustFacts';
    }
    
    if (typeof params.question != 'undefined') {
        if (params.question.length == 0) {
            params.question = '0';
        }
    } else {
        params.question = '0';
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    //*** insert the iframe object into page.***//
    var iFrameSrc = 'http://q.justfactsdaily.com/index.html?partner=' + params.partner + '&question=' + params.question;
    document.write('<style>');
    document.write('iframe.noScrolling { overflow: hidden; }'); //*** IFRAME "SCROLLING=NO" IS NOT SUPPORTED BY HTML5.***//
    document.write('iframe.noScrolling::-webkit-scrollbar { display: none; }'); //*** FOR CHROME & SAFARI ***//
    document.write('</style>');
    document.write('<iframe id="JustFactsIFrame" src="' + iFrameSrc + '" seamless="seamless" scrolling="no" frameborder="0" allowtransparency="true" class="noScrolling"></iframe>');

}

function parseQuery(query) {
    
    var params = new Object();
    if (!query) return params; // return empty object
    
    var pairs = query.split(/[;&]/);
    for (var i = 0; i < pairs.length; i++) {
        var keyVal = pairs[i].split('=');
        if (!keyVal || keyVal.length != 2) continue;
        var key = unescape(keyVal[0]);
        var val = unescape(keyVal[1]);
        val = val.replace(/\+/g, ' ');
        params[key] = val;
    }
    
    return params;

}

/*
    ***************************************************************************
                        SCRIPT BELOW PRE-LOADS THE IFRAME.
                        SHOWS A LOADING DIV UNTIL IT DOES.
    ***************************************************************************
*/

/**
* Global Static Event Utilities helper that assists us to add
* cross platform events to any DOM object as well retrieving
* their target if any exists.
*
* @author Mohamed Mansour (http://mohamedmansour.com)
*/
var event_utils = {
  add: function(obj, type, callback) {
    if (obj.addEventListener)
      obj.addEventListener(type, callback, false);
    else if (obj.attachEvent)
      obj.attachEvent("on" + type, callback);
  }
}

/**
* Preloads an IFrame since it may take time to load.
*
* @param {string} id The identifier for the Iframe you want preloaded.
* @author Mohamed Mansour (http://mohamedmansour.com)
*/
IFramePreloader = function(id)
{
  that = this;
  this.id = id;
  this.iframe = document.getElementById(id);
  this.placeholder = this.createPlaceholder();
}

IFramePreloader.prototype = {

  /**
  * Initializes the preloader to wait till a load event occurs in the iframe.
  */
  init: function()
  {
    this.iframe.style.display = 'none';
    event_utils.add(this.iframe, 'load', function(e) { that.handleLoad(e); });
  },

  /**
  * Creates the placeholder for that Iframe.
  * @return {Element} The placeholder element.
  */
  createPlaceholder: function()
  {
    // Create placeholder.
    var newElement = document.createElement('div');
    newElement.id = this.id + '-placeholder';
    newElement.appendChild(document.createTextNode('Loading ...'));

    // Adding that placeholder right after the iframe. We first check if its the
    // last child, if so, we just append it. Otherwise, we insert it before the
    // next sibling.
    var parent = this.iframe.parentNode;
    if (parent.lastChild == this.iframe) {
      parent.appendChild(newElement);
    } else {
      parent.insertBefore(newElement, this.iframe.nextSibling);
    }
    return newElement;
  },

  /**
  * Show the frame, hide the preloader. Since it has been loaded!
  */
  handleLoad: function()
  {
    this.iframe.style.display = 'block';
    this.placeholder.style.display = 'none';
  }
}

var preloader = new IFramePreloader('JustFactsIFrame');
preloader.init();

<!-- PROVIDER / CHILD PAGE -->
<!DOCTYPE html>
<html>
<head>
    <title>PROVIDER / CHILD PAGE</title>
</head>
<body>
  <!-- script below performs auto-height resizing on the iframe -->
  <!--https://github.com/davidjbradshaw/iframe-resizer-->
  <script src="js/lib/iframeResizer.contentWindow.min.js" type="text/javascript"></script>
</body>
</html>

<!-- CONSUMER / PARENT PAGE -->
<!DOCTYPE html>
<html>
  <body>
    <script src="http://q.justfactsdaily.com/embed.js?partner=FreeThinkU&question=210101"></script>
    <!-- script below performs auto-height resizing on the iframe -->
    <!--https://github.com/davidjbradshaw/iframe-resizer-->
    <script src="http://q.justfactsdaily.com/js/lib/iframeResizer.min.js"></script>
    <script>iFrameResize();</script>
  </body>
</html>