problem about feature-detection-Collection of common programming errors

2 years ago
admin
1 minute

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  • sdleihssirhc
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    Thanks to Perfection kills, we can use the following JavaScript to detect event support:function hasEvent(ev) {var elem = document.createElement(‘a’),type = ‘on’ + ev,supported = elem[type] !== undefined;if (!supported) {elem.setAttribute(type, ‘return;’);supported = typeof elem[type] === ‘function’;}elem = null;return supported; }This works for about the

  • Knu

  • Michael Mullany

  • Keith
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  • jayarjo

  • karim79

  • Rafael Adel

Originally posted 2013-11-06 03:09:29.