30 lines
1 KiB
JavaScript
30 lines
1 KiB
JavaScript
// Show more rows in the taken courses table
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function toggleCourseVisibility (elem) {
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// find the courses
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const courses = elem.parentNode.getElementsByClassName('course')
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if (courses == null) {
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return
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}
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// toggle hidden-course class from the third elements
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for (const course of courses) {
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if (course.classList.contains('hidden-course') || course.classList.contains('toggled-hidden-course')) {
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course.classList.toggle('hidden-course')
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course.classList.add('toggled-hidden-course')
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}
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}
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// toggle the buttons visibility
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const buttonsToToggle = elem.parentNode.getElementsByClassName('show-more-btn')
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for (const buttonToToggle of buttonsToToggle) {
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buttonToToggle.classList.toggle('hidden')
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}
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}
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window.addEventListener('DOMContentLoaded', () => {
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const els = Array.from(document.getElementsByClassName('btn'));
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els.filter((el) => el != null && (el.id == 'show-more-btn' || el.id == 'show-less-btn')).forEach((el) =>
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el.addEventListener('click', ({ target }) =>
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toggleCourseVisibility(target)))
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})
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