Edit in JSFiddle

<input type="text" id="anzsrc-vocab" name="anzsrc-for" value="" size="40" autocomplete="off">
$("#anzsrc-vocab").vocab_widget({
	mode: 'search',
	endpoint: 'https://vocabs.ands.org.au/apps/vocab_widget/proxy/',
	cache: false,
	repository: 'anzsrc-for',
	target_field: 'label'
});