Facebook Blurrer

full.js

function getElementsByClassName(className){
	var hasClassName = new RegExp("(?:^|\\s)" + className + "(?:$|\\s)");
	var allElements = document.getElementsByTagName("*");
	var results = [];
	var element;
	for (var i = 0; (element = allElements[i]) != null; i++) {
		var elementClass = element.className;
		if (elementClass && elementClass.indexOf(className) != -1 && hasClassName.test(elementClass))
			results.push(element);
	}
	return results;
}

var classes = ["img","uiLinkSubtle","UFICommentActorName", "fwb", "-cx-PRIVATE-uiImageBlock__smallContent"];
for (var i=0;i<classes.length;i++){ 
	console.log("doing "+classes[i])
	elems =  getElementsByClassName(classes[i]);
	for (var x=0;x<elems.length;x++){ 
		elems[x].setAttribute('style','-webkit-filter: blur(5px);');
	}
}

gistfile1.md

Before

##After

mini.js

function getElementsByClassName(e){var t=new RegExp("(?:^|\\s)"+e+"(?:$|\\s)");var n=document.getElementsByTagName("*");var r=[];var i;for(var s=0;(i=n[s])!=null;s++){var o=i.className;if(o&&o.indexOf(e)!=-1&&t.test(o))r.push(i)}return r}var classes=["img","uiLinkSubtle","UFICommentActorName","fwb","-cx-PRIVATE-uiImageBlock__smallContent"];for(var i=0;i<classes.length;i++){console.log("doing "+classes[i]);elems=getElementsByClassName(classes[i]);for(var x=0;x<elems.length;x++){elems[x].setAttribute("style","-webkit-filter: blur(5px);")}}