Required or not based on the dropdown options

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1

How to create a simple code to condition whether an element input is required or not based on dropdown options?

export function dropdown1_change(event) {
	if($w('#dropdown1').value === "Baru"){
		$w('#buttonNext1').show();
		$w('#button1').hide();
		$w('#dropdown5').required = true
		$w('#dropdown6').required = true
		$w('#inputTahunlahir').required = true
		$w('#inputAlamat').required = true
		$w('#inputRT').required = true
		$w('#inputRW').required = true
		$w('#inputKelurahan').required = true
		$w('#inputKecamatan').required = true
		$w('#inputKabupaten').required = true
		$w('#inputHp1').required = true
		$w('#inputHp2').required = true
		$w('#inputInstagram').required = true
		$w('#uploadButton1').required = true
		$w('#uploadButton3').required = true

	} 
	if($w('#dropdown1').value === "DS"){
		$w('#buttonNext1').show();
		$w('#button1').hide();
		$w('#inputLokasi').required = true
		$w('#inputKontak').required = true
}
if($w('#dropdown1').value === "Tetap"){
	$w('#buttonNext1').hide();
		$w('#button1').show();
}}
2

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