Symbol作为对象属性名时,不能使用点运算符,使用点运算符后,这个属性名就是一个普通字符串了,而不是Symbol类型。 Symbol属性名具有隐藏性,是不可枚举属性,所以这个属性不能使用for...in、for...of、Object.keys()、Object.getOwnPropertyNames()、JSON.stringify()等方法访问到 另一个新的 R
JavaScript built-in: Symbol: `Symbol()` constructor Global usage 95.33% + 0% = 95.33% IE ❌ 6 - 10: Not supported ❌ 11: Not supported Edge ✅ 12 - 135: Supported ✅ 136: Supported Firefox ❌ 2 - 35: Not supported ✅ 36 - 138: Supported ✅ 139: Supported ✅ 140 ...
JavaScript built-in: Set: [Symbol.iterator] Global usage 95.28% + 0% = 95.28% IE ❌ 6 - 10: Not supported ❌ 11: Not supported Edge ✅ 12 - 135: Supported ✅ 136: Supported Firefox ❌ 2 - 16: Not supported ◐ 17 - 26: Partial support ◐ 27 - 35: Partial support ...
A good CITGM run should be enough if any of the modules there use the current exported symbol. Keep in mind, however, that any code written to use the Symbol.for rather than the exported symbol won't work in current release lines. So a note should be added to that effect....
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JavaScript built-in: Symbol: description Global usage 94.47% + 0% = 94.47% IE ❌ 6 - 10: Not supported ❌ 11: Not supported Edge ❌ 12 - 18: Not supported ✅ 79 - 135: Supported ✅ 136: Supported Firefox ❌ 2 - 62: Not supported ✅ 63 - 137: Supported ✅ 138: ...
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