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sommilito-bank2
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splide-4.1.3
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src
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js
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utils
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dom
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addClass
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import { addClass } from './addClass'; describe( 'addClass', () => { beforeEach( () => { document.body.innerHTML = '<div id="container"></div>'; } ); test( 'can add a class to the element.', () => { const container = document.getElementById( 'container' ); addClass( container, 'active' ); expect( container.classList.contains( 'active' ) ).toBe( true ); } ); test( 'can add classes to the element.', () => { const container = document.getElementById( 'container' ); addClass( container, [ 'active', 'visible' ] ); expect( container.classList.contains( 'active' ) ).toBe( true ); expect( container.classList.contains( 'visible' ) ).toBe( true ); } ); } );