Setting checkbox input when specific value equals variable in jquery -

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i trying use jquery set checkbox checked if input value of checkbox equal other variable have. code looks like: 

var test_val = "test"; $('#checkbox[value='+test_val+']').attr('checked', true);

this not seem working, help

try this

$('#checkbox[value="'+test_val+'"]').attr('checked', true);

you missing quotes around value.


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