FED73. 批量改变对象的属性
描述
给定一个构造函数 constructor，请完成 alterObjects 方法，将 constructor 的所有实例的 greeting 属性指向给定的 greeting 变量。示例1
输入:
var C = function(name) {this.name = name; return this;};
var obj1 = new C('Rebecca');
alterObjects(C, 'What\'s up'); obj1.greeting;
输出:
What's up
HTML/CSS/JavaScript 解法, 执行用时: 854ms, 内存消耗: 77772KB, 提交时间: 2020-11-22
{"css":"","js":"function alterObjects(constructor, greeting) {\n constructor.prototype.greeting = greeting;\n}","html":"","libs":[]}
HTML/CSS/JavaScript 解法, 执行用时: 857ms, 内存消耗: 77772KB, 提交时间: 2020-12-21
{"css":"","js":"function alterObjects(constructor, greeting) {\n constructor.prototype.greeting = greeting;\n return constructor.greeting\n}","html":"","libs":[]}
HTML/CSS/JavaScript 解法, 执行用时: 858ms, 内存消耗: 77772KB, 提交时间: 2020-12-26
{"css":"","js":"function alterObjects(constructor, greeting) {\n return constructor.prototype.greeting = greeting\n}","html":"","libs":[]}
HTML/CSS/JavaScript 解法, 执行用时: 860ms, 内存消耗: 77836KB, 提交时间: 2020-12-25
{"css":"","js":"function alterObjects(constructor, greeting) {\n return constructor.prototype.greeting = greeting;\n}","html":"","libs":[]}
HTML/CSS/JavaScript 解法, 执行用时: 861ms, 内存消耗: 77804KB, 提交时间: 2021-04-04
{"css":"","js":"function alterObjects(constructor, greeting) {\n \n constructor.prototype.greeting = greeting;\n}","html":"","libs":[]}