1.
let d1 = Object.getOwnPropertyDescriptor({name: "hello"}, "name");
console.info(d1);
Why is it printed
{ value: "hello",
writable: true,
enumerable: true,
configurable: true }and the properties defined by Object.defineProperties () are false
by default.this question is explained on MDN defineProperty . The excerpt is as follows:
var a = {}; a.nameplate assignment helloops; , which are actually assignment operations), can be rendered during attribute enumeration (for.in or Object.keys methods), and the values of these properties can be changed or deleted. Previous: There is a problem with Ariyun WEB player playing in Flash mode.
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