Count values with after close window javascript -


i have images:

<img src=""> <img src=""> <img src="">

i need add same data don't know how add name="1" or name="0" or similar. , if close window show me alert return same page , information counted if name ==0 show alert.

try this,

document.getelementsbytagname('img')[0].name="0"; document.getelementsbytagname('img')[1].name="2"; . .

or

with jquery

$('img').each(function(){     this.name=this.indexof(); } $(window).on('unload',function(){     alert("watevr want"); }

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