oba.js
用于观察任意对象的任意变化的类库，以轻巧、实用、强大而闻名。
ps:源代码未压缩版仅仅只有158行代码:)
安装
npm install obajs3分钟精通observe.js
对象字面量
var obj = { a: 1 };
observe(obj, function (name, value , old) {
console.log(name + "__" + value + "__" + old);
});
obj.a = 2; //a__2__1 数组
var arr = [1, 2, 3];
observe(arr, function (name, value, old) {
console.log(name + "__" + value+"__"+old);
});
arr.push(4);//Array-push__[1,2,3,4]__[1,2,3]
arr[3] = 5;//3__5__4复杂对象
var complexObj = { a: 1, b: 2, c: [{ d: [4] }] };
observe(complexObj, function (name, value , old, path) {
console.log(name + "__" + value + "__" + old); //d__100__4
console.log(path) //#-c-0
});
complexObj.c[0].d = 100;普通对象
var User = function (name, age) {
this.name = name;
this.age = age;
//只监听name
observe(this, ["name"], function (name, value, oldValue) {
console.log(name + "__" + value + "__" + oldValue);
});
}
var user = new User("lisi", 25);
user.name = "wangwu";//name__wangwu__lisi
user.age= 20; //什么都输出，因为没有监听ageThis content is released under the (http://opensource.org/licenses/MIT) MIT License.