Store Client ID in JavaScript variable not defiend

this issue is when i set variable to field there are no changes in field render and also the javacript get error variable undefiend .

then when alert the value using alert( NWF$("#" + varStartDate)).

+16

If you want to show the value, you should use >>> alert( NWF$("#" + varStartDate).val())

+9

Just tested this out, and Fernando Hunth‌ is correct. I used console.log, but it should not be any different using alert();

console.log(NWF$('#' + varStartDate).val());

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