How can I prevent my javascript from polling websites too fast? -

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I created this website some time ago for the purpose of grabbing and displaying random puu.sh images. This is also a warning, the content that is generated by this site is generated, and I can not guarantee it to SFW.

I have started to look at it again, and it seems that there is something in it with serious bugs with the system used to collect the content How can I change so that he can not spam puu.sh and refuse to accept it?

Here is the code: 

  var currentThumb = 0; Function getImgUrl () {var text = (Math. (Math.rendum (* 9)) ToString (); // var text = '3T'; var possible = "ABCDEFGHIKLMAPQRTUVXXBCCDGGLMNAPQRSUVXX123456789" (var i = 0 ; I & lt; 4; i ++) text + = possible.Chat (Math. Floor (Math.Random) * Possible length); Return 'http://puu.sh/' + Text;} Function Open_in_new_tab (url) {var win = window.open (url, '_blank'); win.focus ();} function getImages () {// var width = window.innerWidth; Var for picture = 10; var var = 0; i & lt; image; i ++) {var url = getImgUrl (); Document.getElementBy Id ('thumb'). InnerHTML + ''   
 The problem is most likely  
  $ ('img'). Error (function () {$ (this) .attr ('src', getImgUrl ()); setBig ();});  
 
 Your main problem is that you are spamming the server when you are 404 Try something like error (function () {var _this = this; setTimeout (function () {$ (_ this) .attr ('src', getImgUrl ()) due to the error handler  
  $ ('img').)); Setgig ();}, 500); // whatever timeout is not good for not spam)};

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