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20 lines
615 B
20 lines
615 B
function hasClass(el, className) {
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if (el.classList) return el.classList.contains(className);
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return !!el.className.match(new RegExp("(\\s|^)" + className + "(\\s|$)"));
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}
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function addClass(el, className) {
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if (el.classList) el.classList.add(className);
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else if (!hasClass(el, className)) el.className += " " + className;
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}
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function removeClass(el, className) {
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if (el.classList) el.classList.remove(className);
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else if (hasClass(el, className)) {
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let reg = new RegExp("(\\s|^)" + className + "(\\s|$)");
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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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