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✏️ Editing: faq.js

function slideUp( target, duration ) {
	target.style.transitionProperty = 'height, margin, padding';
	target.style.transitionDuration = duration + 'ms';
	target.style.boxSizing = 'border-box';
	target.style.height = target.offsetHeight + 'px';
	target.offsetHeight; // eslint-disable-line no-unused-expressions
	target.style.overflow = 'hidden';
	target.style.height = 0;
	target.style.paddingTop = 0;
	target.style.paddingBottom = 0;
	target.style.marginTop = 0;
	target.style.marginBottom = 0;
	window.setTimeout( function () {
		target.style.display = 'none';
		target.style.removeProperty( 'height' );
		target.style.removeProperty( 'padding-top' );
		target.style.removeProperty( 'padding-bottom' );
		target.style.removeProperty( 'margin-top' );
		target.style.removeProperty( 'margin-bottom' );
		target.style.removeProperty( 'overflow' );
		target.style.removeProperty( 'transition-duration' );
		target.style.removeProperty( 'transition-property' );
	}, duration );
}

function slideDown( target, duration ) {
	target.style.removeProperty( 'display' );
	let display = window.getComputedStyle( target ).display;

if ( display === 'none' ) display = 'block';

target.style.display = display;
	const height = target.offsetHeight;
	target.style.overflow = 'hidden';
	target.style.height = 0;
	target.style.paddingTop = 0;
	target.style.paddingBottom = 0;
	target.style.marginTop = 0;
	target.style.marginBottom = 0;
	target.offsetHeight; // eslint-disable-line no-unused-expressions
	target.style.boxSizing = 'border-box';
	target.style.transitionProperty = 'height, margin, padding';
	target.style.transitionDuration = duration + 'ms';
	target.style.height = height + 'px';
	target.style.removeProperty( 'padding-top' );
	target.style.removeProperty( 'padding-bottom' );
	target.style.removeProperty( 'margin-top' );
	target.style.removeProperty( 'margin-bottom' );
	window.setTimeout( function () {
		target.style.removeProperty( 'height' );
		target.style.removeProperty( 'overflow' );
		target.style.removeProperty( 'transition-duration' );
		target.style.removeProperty( 'transition-property' );
	}, duration );
}

function setupFAQ() {
	const pattern = new RegExp( '^[\\w\\-]+$' );
	const hashval = window.location.hash.substring( 1 );
	const expandFirstelements = document.getElementsByClassName( 'uagb-faq-expand-first-true' );
	const inactiveOtherelements = document.getElementsByClassName( 'uagb-faq-inactive-other-false' );

if (
		document.getElementById( hashval ) !== undefined &&
		document.getElementById( hashval ) !== null &&
		document.getElementById( hashval ) !== '' &&
		pattern.test( hashval )
	) {
		const elementToOpen = document.getElementById( hashval );

if ( elementToOpen !== undefined ) {
			elementToOpen.classList.add( 'uagb-faq-item-active' );
			elementToOpen.setAttribute( 'aria-expanded', true );
			const faqContent = elementToOpen.getElementsByClassName( 'uagb-faq-content' )[ 0 ];
			if ( faqContent ) {
				slideDown( faqContent, 500 );
			}
		}
	} else {
		for ( let item = 0; item < expandFirstelements.length; item++ ) {
			if ( true === expandFirstelements[ item ].classList.contains( 'uagb-faq-layout-accordion' ) ) {
				let faqItem = expandFirstelements[ item ].querySelectorAll(
					'.uagb-faq-child__outer-wrap.uagb-faq-item'
				)[ 0 ];

if ( ! faqItem ) {
					faqItem = expandFirstelements[ item ].querySelectorAll(
						'.uagb-faq-child__outer-wrap .uagb-faq-item'
					)[ 0 ];
				}

faqItem.classList.add( 'uagb-faq-item-active' );

faqItem.setAttribute( 'aria-expanded', true );
				faqItem.querySelectorAll( '.uagb-faq-content' )[ 0 ].style.display = 'block';
			}
		}
	}
	for ( let item = 0; item < inactiveOtherelements.length; item++ ) {
		if ( true === inactiveOtherelements[ item ].classList.contains( 'uagb-faq-layout-accordion' ) ) {
			let otherItems = inactiveOtherelements[ item ].querySelectorAll(
				'.uagb-faq-child__outer-wrap.uagb-faq-item'
			);

if ( ! otherItems || 0 === otherItems.length ) {
				otherItems = inactiveOtherelements[ item ].querySelectorAll(
					'.uagb-faq-child__outer-wrap .uagb-faq-item'
				);
			}

for ( let childItem = 0; childItem < otherItems.length; childItem++ ) {
				otherItems[ childItem ].classList.add( 'uagb-faq-item-active' );
				otherItems[ childItem ].setAttribute( 'aria-expanded', true );
				otherItems[ childItem ].querySelectorAll( '.uagb-faq-content' )[ 0 ].style.display = 'block';
			}
		}
	}
}

window.addEventListener( 'load', function () {
	setupFAQ();

const accordionElements = document.getElementsByClassName( 'uagb-faq-layout-accordion' );
	for ( let item = 0; item < accordionElements.length; item++ ) {
		const questionButtons = accordionElements[ item ].querySelectorAll( '.uagb-faq-questions-button' );
		const faqItems = accordionElements[ item ].querySelectorAll( '.uagb-faq-item' );

for ( let button = 0; button < questionButtons.length; button++ ) {
			questionButtons[ button ].addEventListener( 'click', function ( e ) {
				faqClick( e, this.parentElement, questionButtons );
			} );
		}

for ( let button = 0; button < faqItems.length; button++ ) {
			faqItems[ button ].addEventListener( 'keyup', function ( e ) {
				faqClick( e, this, questionButtons );
			} );
		}
	}
} );

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