How can I change
<div data-300=""></div>
to
<div data-500=""></div>
using jquery?
I don't want to remove the attribute and replace it as it contains data I need I just need to change the '300' to '500'.
Not generic at all, but it should do the job
var $target = $('div[data-300]'),
oldData = $target.data('300');
$target.removeAttr('data-300').attr({ 'data-500': oldData });
Here's a function you can use:
function attrChangeName(elem, attr, new_attr) {
var data = $(elem).attr(attr);
$(elem).attr(new_attr, data);
$(elem).removeAttr(attr);
}
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