javascript - Change a value in an img -


at the moment i'm doing this: 

 $('.zoom').empty()  $('.zoom').prepend('<img id="zoom_07" src="zoom.png" data-zoom-image=' + zoomimagedatauri + '/>');

what want change "data-zoom-image=" part. how this, like:

 document.getelementbyid("zoom_07")."data-zoom-image=""+ zoomimagedatauri +";

first, don't have worry escaping/building html strings if use jquery create element:

$('.zoom').empty().prepend($('<img>',{id:'zoom_07', src:'zoom.png','data-zoom-image':zoomimagedatauri});

second, i'm not quite sure you're trying 2nd bit; syntax way off. try this:

$('#zoom_07').attr('data-zoom-image',zoomimagedatauri);

you may utilize $.data method, don't think updates attribute, jquery's internal representation of it.


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