dom

判断是不是DOM元素

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 function isElement(obj: any) { try { // Using W3 DOM2 (works for FF, Opera and Chrome) return obj instanceof HTMLElement; } catch (e) { // Browsers not supporting W3 DOM2 don't have HTMLElement and // an exception is thrown and we end up here. Testing some // properties that all elements have (works on