|
// for IE11
|
if (!Object.assign) {
|
Object.assign = function (target, source) {
|
cc.js.mixin(target, source);
|
}
|
}
|
|
// for Baidu browser
|
// Implementation reference to:
|
// http://2ality.com/2016/02/object-getownpropertydescriptors.html
|
// http://docs.w3cub.com/javascript/global_objects/reflect/ownkeys/
|
if (!Object.getOwnPropertyDescriptors) {
|
Object.getOwnPropertyDescriptors = function (obj) {
|
let descriptors = {};
|
let ownKeys = Object.getOwnPropertyNames(obj).concat(Object.getOwnPropertySymbols(obj)); // equals to Reflect.ownKeys(obj) in ES6
|
for(let i = 0; i < ownKeys.length; ++i){
|
let key = ownKeys[i];
|
descriptors[key] = Object.getOwnPropertyDescriptor(obj, key);
|
}
|
return descriptors;
|
}
|
}
|
