jquery - Circumvent random number in ID -

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i got line in script, check items class: 

$('#post').attr('class');

is there chance, read like: 

$('#post*').attr('class');

so if id fe. post405 still read this? i've checked , won't work * , so there other way read items way?

$('[id^=post]').attr('class');

you're looking [attribute^=*] selector.


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