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23 lines
563 B
JavaScript
23 lines
563 B
JavaScript
export const hasClass = function(obj, cls) {
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return obj.className.match(new RegExp('(\\s|^)' + cls + '(\\s|$)'));
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};
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export const addClass = function(obj, cls) {
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if (!hasClass(obj, cls)) obj.className += ' ' + cls;
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};
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export const removeClass = function(obj, cls) {
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if (hasClass(obj, cls)) {
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const reg = new RegExp('(\\s|^)' + cls + '(\\s|$)');
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obj.className = obj.className.replace(reg, ' ');
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}
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};
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export const toggleClass = function(obj, cls) {
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if (hasClass(obj, cls)) {
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removeClass(obj, cls);
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} else {
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addClass(obj, cls);
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}
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};
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