动态生成JavaScript对象的创造性方法是通过使用工厂函数、构造函数、对象字面量和ES6的类来实现。
function createPerson(name, age) {
return {
name: name,
age: age,
sayHello: function() {
console.log("Hello, my name is " + this.name);
}
};
}
var person1 = createPerson("John", 25);
person1.sayHello(); // 输出:Hello, my name is John
new
关键字和构造函数,可以动态生成JavaScript对象。例如:function Person(name, age) {
this.name = name;
this.age = age;
this.sayHello = function() {
console.log("Hello, my name is " + this.name);
};
}
var person2 = new Person("Jane", 30);
person2.sayHello(); // 输出:Hello, my name is Jane
var person3 = {
name: "Tom",
age: 35,
sayHello: function() {
console.log("Hello, my name is " + this.name);
}
};
person3.sayHello(); // 输出:Hello, my name is Tom
class
关键字定义类,并使用constructor
方法初始化对象。通过创建类的实例,可以动态生成JavaScript对象。例如:class Person {
constructor(name, age) {
this.name = name;
this.age = age;
}
sayHello() {
console.log("Hello, my name is " + this.name);
}
}
var person4 = new Person("Kate", 40);
person4.sayHello(); // 输出:Hello, my name is Kate
这些方法可以根据具体的需求选择使用,它们都能够动态生成JavaScript对象。
<select style=”width:200px;” id=”sel” Name=”sel”> <option>sdfsdfsdfdsfsdf</option> <option>1111111111111</option> <option>222222222222</option> </select> | <input type=text Name=”text1″ id=”test1″> |
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