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Editorial Team
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Asked: 2026-05-26T18:41:28+00:00

I am trying to work out how to do something if a certain text

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I am trying to work out how to do something if a certain text box is not empty (i.e. contain something, could be anything)

This is my code (that doesnt seem to work)

if ( !($('#edit-sPostalCode').attr('val','')) ) {
    stuff here
}

What have I missed?

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1 Answer

  1. Editorial Team
    if ( $('#edit-sPostalCode').val() != '' ) {
    stuff here
}

    $('#edit-sPostalCode').attr('val','') will actually create an attribute of the input box with a value of '' and will then return a jQuery object.

    Saying !($('#edit-sPostalCode').attr('val','')) will then negate that jQuery object. As an instance of an object is truthy in JS the result of this expression will always be false.

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