[英]javascript typeof Object.create !== 'function'
[英]Javascript - How come Object.create takes function as a parameter?
newperson4是如何创建的,并且没有出错? 下面的代码-
function person() {
}
var p = new person();
var q = null;
var r = "some string";
var newperson1 = Object.create(p); //Runs fine.
var newperson2 = Object.create(q); //Runs fine.
var newperson3 = Object.create(r); //Errors - Object.prototype requires to be an Object or Null only. Fine!
var newperson4 = Object.create(person); //Based on above error, person is a function, not an object. How is it working?
每个函数都是javascript中的对象(就像数组是对象一样),而不是原始值。 它可以具有属性,并且您可以从中继承。
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