Voting to reopen; this shouldn't be considered off topic. Chrome/WebKit developer tools clearly are "software tools commonly used by programmers" (as permitted in the faq); I've often made use of the filtering options while developing. — Jeremy Banks10 secs ago
I'll answer your second question here as the comment won't allow me to multi-line.
var s1 = string.substring(0, string.substring('//'));
var s2 = string.substring(string.substring('//')+1);
string = s1+'550/'+s2;
http://www.w3schools.com/jsref/jsref_indexof.asp
Is this an answer, or is it a comment reply to his other answer?
I am wondering if we can filter out some requests usign Chrome developer tools, say, filter out all image requests.
I'll answer your second question here as the comment won't allow me to multi-line.
var s1 = string.substring(0, string.substring('//'));
var s2 = string.substring(string.substring('//')+1);
string = s1+'550/'+s2;
http://www.w3schools.com/jsref/jsref_indexof.asp
