javascript - Timeout in Jquery to update the Dom? -


let's want change image source onclick , calculations. whats happening right source changes when the function exits. (dom busy?)

how can make image source updates right away , function proceeds while loop?

html:

<img src="http://goo.gl/l55g2p" id="imagesrc">

js:

$( "#imagesrc" ).click(function() {      new_imgsrc="http://goo.gl/wbhyee";      $("#imagesrc").attr('src',new_imgsrc);     test = 0     {         test = test + 1;         console.log(test);     } while (test != 50000); });

here's jsfiddle.

not sure understand correctly use timeout:

settimeout(function() {     //while loop here }, 1000);

where 1000 means 1 second. shrink value doesn't wait long.

as click() has no callback oncomplete not sure of better way achieve this.


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