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24 lines
664 B
24 lines
664 B
2 years ago
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function hasClass(el, className) {
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if (el.classList)
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return el.classList.contains(className);
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return !!el.className.match(new RegExp('(\\s|^)' + className + '(\\s|$)'));
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}
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function addClass(el, className) {
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if (el.classList)
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el.classList.add(className)
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else if (!hasClass(el, className))
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el.className += " " + className;
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}
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function removeClass(el, className) {
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if (el.classList)
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el.classList.remove(className)
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else if (hasClass(el, className)) {
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let reg = new RegExp('(\\s|^)' + className + '(\\s|$)');
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el.className = el.className.replace(reg, ' ');
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}
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}
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export {addClass, removeClass}
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