javascript - How to alert every occurence? -


i need send alert user every time z-index equals 2. unfortunately occurs onload, or ready...whatever...

heres html

<div id='slides'>    <img class='sliderimg' src='img.jpg'>    <img class='sliderimg' src='img.jpg'>    <img class='sliderimg' src='img.jpg'> </div>

and javascript

document.ready=function(){    var theimage=$('.sliderimg')[0];    if(theimage.style.zindex==2){       alert(theimage.style.zindex);    } }

you have 2 choices:

1) run timer , call function periodically, using setinterval or settimeout

2) listen dom changes, run function.


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