JavaScript/Class
外观
class Point {
#x;
#y;
publicFieldName = 1;
#privateFieldName = 2;
constructor(x, y) {
this.#x = x;
this.#y = y;
}
equals(point) {
return this.#x === point.#x && this.#y === point.#y;
}
#method() { //私有方法
// ...
}
}
a=new Point(1,2);
b=new Point(1,2);
console.log(a==b);
console.log(a.equals(b));
class Foo {
#fieldName = 1;
}
class Bar extends Foo { // 类继承
fieldName = 2; // 没有问题
}