كيف نتغلب على مخاوف قيام الساعة ونهاية العالم؟.. باحث بمرصد الأزهر يُجيب

function replaceOembeds() { var allEmbeds = document.getElementsByTagName("OEMBED");

while (allEmbeds.length != 0) { replaceOembedWithHtml(allEmbeds[0], extractLinkFromOembed(allEmbeds[0])); allEmbeds = document.getElementsByTagName("OEMBED"); }

runYoutubeLazyLoad(); loadfbApi(); }

function replaceOembedWithHtml(element, sourceData) { if (sourceData.source.toLowerCase() === "youtube") { var html="

';

replaceElementWithHtml(element, html); } else if (sourceData.source.toLowerCase() === "instagram") { var html="

';

replaceElementWithHtml(element, html); } else if (sourceData.source.toLowerCase() === "twitter") { var html="

'; replaceElementWithHtml(element, html); } else if (sourceData.source.toLowerCase() === "facebook") { var html="

' replaceElementWithHtml(element, html); } else { replaceElementWithHtml(element, ""); }

}

function extractLinkFromOembed(element) { return getUrlSource(element.getAttribute("url")); }

function getUrlSource(url) { var ytRegex = /http(?:s?):\/\/(?:www\.)?youtu(?:be\.com\/watch\?v=|\.be\/)([\w\-\_]*)(&(amp;)?‌​[\w\?‌​=]*)?/; var instaRegex = /(https?:\/\/www\.)?instagram\.com(\/p\/(\w+)\/?)/; var twitterRegex = /twitter\.com\/.*\/status(?:es)?\/([^\/\?]+)/; var fbRegex = /^https?:\/\/www\.facebook\.com.*\/(video(s)?|watch|story|posts)(\.php?|\/).+$/;

if (ytRegex.test(url)) { return { source: "Youtube", url: url, id: ytRegex.exec(url)[1] }; }

if (instaRegex.test(url)) { return { source: "Instagram", url: url, id: instaRegex.exec(url)[3] }; }

if (twitterRegex.test(url)) { return { source: "Twitter", url: url, id: twitterRegex.exec(url)[1] }; }

if (fbRegex.test(url)) { return { source: "Facebook", url: url, id: fbRegex.exec(url)[1] };

}

return { source: "Unknown", url: url, id: "" }; }

function replaceElementWithHtml(element, html) { var str = html; var Obj = element; //any element to be fully replaced if (Obj.outerHTML) { //if outerHTML is supported Obj.outerHTML = str; ///it's simple replacement of whole element with contents of str var } else { //if outerHTML is not supported, there is a weird but crossbrowsered trick var tmpObj = document.createElement("div"); tmpObj.innerHTML = ''; ObjParent = Obj.parentNode; //Okey, element should be parented ObjParent.replaceChild(tmpObj, Obj); //here we placing our temporary data instead of our target, so we can find it then and replace it into whatever we want to replace to ObjParent.innerHTML = ObjParent.innerHTML.replace('

', str); } } function loadfbApi() { var js = document.createElement('script'); js.src="https://connect.facebook.net/en_US/sdk.js#xfbml=1&version=v3.2"; document.body.appendChild(js); } function runYoutubeLazyLoad() { /// youtube lazyload var youtube = document.querySelectorAll(".youtube");

for (var i = 0; i