remove cloudflare render block javascript

Question

I used cloudflare to protect my site, but it looks like cloudflare add a block render javascript as below:

http://www.keronsoft.com/cdn-cgi/apps/head/W1j6BzG7xAyKGShjmxldmxxxxxx.js

;window.CloudflareApps=window.Eager=window.CloudflareApps||window.Eager||{};window.CloudflareApps=window.CloudflareApps||{};CloudflareApps.siteId="83fd88898f7208a330f4b1ce76xxxxxx";CloudflareApps.installs=CloudflareApps.installs||{};;(function(){CloudflareApps.internal=CloudflareApps.internal||{};var errors=[];CloudflareApps.internal.placementErrors=errors;var errorHashes={} var noteError=function(options){var hash=options.selector+'::'+options.type+'::'+(options.installId||'');if(errorHashes[hash]) return;errorHashes[hash]=true;errors.push(options);} var initializedSelectors={};var currentInit=false;CloudflareApps.internal.markSelectors=function(){if(!currentInit){check();currentInit=true;setTimeout(function(){currentInit=false;});}} var check=function(){var installs=window.CloudflareApps.installs;for(var installId in installs){if(!installs.hasOwnProperty(installId)) continue;var selectors=installs[installId].selectors;if(!selectors) continue;for(var key in selectors){if(!selectors.hasOwnProperty(key)) continue;var hash=installId+"::"+key;if(initializedSelectors[hash]) continue;var els=document.querySelectorAll(selectors[key]);if(els&&els.length>1){noteError({type:'init:too-many',option:key,selector:selectors[key],installId:installId});initializedSelectors[hash]=true;continue;}else if(!els||!els.length){continue;} initializedSelectors[hash]=true;els[0].setAttribute('cfapps-selector',selectors[key]);}}} CloudflareApps.querySelector=function(selector){if(selector==='body'||selector==='head'){return document[selector];} CloudflareApps.internal.markSelectors();var els=document.querySelectorAll('[cfapps-selector="'+selector+'"]');if(!els||!els.length){noteError({type:'select:not-found:by-attribute',selector:selector});els=document.querySelectorAll(selector);if(!els||!els.length){noteError({type:'select:not-found:by-query',selector:selector});return null;}else if(els.length>1){noteError({type:'select:too-many:by-query',selector:selector});} return els[0];} if(els.length>1){noteError({type:'select:too-many:by-attribute',selector:selector});} return els[0];}})();;(function(){var prevEls={};CloudflareApps.createElement=function(options,prevEl){CloudflareApps.internal.markSelectors();try{if(prevEl&&prevEl.parentNode){var replacedEl;if(prevEl.cfAppsElementId){replacedEl=prevEls[prevEl.cfAppsElementId];} if(replacedEl){prevEl.parentNode.replaceChild(replacedEl,prevEl);delete prevEls[prevEl.cfAppsElementId];}else{prevEl.parentNode.removeChild(prevEl);}} var element=document.createElement('cloudflare-app');var container;try{container=CloudflareApps.querySelector(options.selector);}catch(e){} if(!container){return element;} if(!container.parentNode&&(options.method=="after"||options.method=="before"||options.method=="replace")){return element;} if(container==document.body){if(options.method=="after") options.method="append";else if(options.method=="before") options.method="prepend";} switch(options.method){case"prepend":if(container.firstChild){container.insertBefore(element,container.firstChild);break;} case"append":container.appendChild(element);break;case"after":if(container.nextSibling){container.parentNode.insertBefore(element,container.nextSibling);}else{container.parentNode.appendChild(element);} break;case"before":container.parentNode.insertBefore(element,container);break;case"replace":try{id=element.cfAppsElementId=Math.random().toString(36);prevEls[id]=container;}catch(e){} container.parentNode.replaceChild(element,container);} return element;}catch(e){if(typeof console!=="undefined"&&typeof console.error!=="undefined"){console.error("Error creating Cloudflare Apps element",e);}}}})();;(function(){CloudflareApps.matchPage=function(patterns){if(!patterns||!patterns.length){return true;} if(window.CloudflareApps&&CloudflareApps.proxy&&CloudflareApps.proxy.originalURL){var url=CloudflareApps.proxy.originalURL.parsed;var loc=url.host+url.path;}else{var loc=document.location.host+document.location.pathname;} for(var i=0;i

Just wondering if it is possible to remove the rendered block of javascript or not.

Your comments are welcome.

Answer 1

It looks like you have installed one or more Cloudflare Apps. The JavaScript you see is related to apps. If you "uninstall" all apps, it should go away.