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Merge pull request #2031 from lumosmind/patch-49

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refactoring
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Ilya Kantor 2020-07-30 01:13:27 +03:00 • committed by GitHub
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1-js/09-classes/07-mixins/article.md
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@ -154,7 +154,7 @@ let eventMixin = {
* this.trigger('select', data1, data2); * this.trigger('select', data1, data2);
*/ */
trigger(eventName, ...args) { trigger(eventName, ...args) {
if (!this._eventHandlers || !this._eventHandlers[eventName]) { if (!this._eventHandlers?.[eventName]) {
return; // no handlers for that event name return; // no handlers for that event name
} }