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24 lines
640 B
24 lines
640 B
2 years ago
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/**
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* Disallow duplicate books in the featured books list.
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*/
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window.addEventListener( 'load', function () {
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const selects = document.querySelectorAll( '#sub-accordion-section-pb_front_page_catalog select' );
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/**
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*
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* @param current
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* @param value
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*/
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let checkOtherValues = function ( current, value ) {
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selects.forEach( function ( select ) {
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if ( current.id !== select.id && select.value === value ) {
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select.selectedIndex = -1;
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}
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} );
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};
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selects.forEach( function ( select ) {
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select.addEventListener( 'change', function ( event ) {
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checkOtherValues( event.target, event.target.value );
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} );
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} );
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} );
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