cncjs

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export const preventDefault = (e) => {
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  if (typeof e.preventDefault !== 'undefined') {
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    e.preventDefault();
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  } else {
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    e.returnValue = false;
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  }
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};
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export const stopPropagation = (e) => {
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  if (typeof e.stopPropagation !== 'undefined') {
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    e.stopPropagation();
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  } else {
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    e.cancelBubble = true;
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  }
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};
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// https://developer.mozilla.org/en-US/docs/Web/API/EventTarget/addEventListener#Compatibility
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export const addEventListener = (target, type, listener) => {
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  if (target.addEventListener) { // Standard
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    target.addEventListener(type, listener, false);
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  } else if (target.attachEvent) { // IE8
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    // In Internet Explorer versions before IE 9, you have to use attachEvent rather than the standard addEventListener.
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    target.attachEvent('on' + type, listener);
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  }
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};
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// https://developer.mozilla.org/en-US/docs/Web/API/EventTarget/removeEventListener
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export const removeEventListener = (target, type, listener) => {
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  if (target.removeEventListener) { // Standard
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    target.removeEventListener(type, listener, false);
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  } else if (target.detachEvent) { // IE8
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    // In Internet Explorer versions before IE 9, you have to use detachEvent rather than the standard removeEventListener.
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    target.detachEvent('on' + type, listener);
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  }
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};
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