JavaScript Enhancement Tutorial-JS Object-Oriented Programming

Abstract description of things
Describe the characteristics and behavior of such things
Objects are instances of classes
Code implementation: Create a class

function peple(){
       this.hp=0;
        this.act = 30;
        this.name = "";
        this.x=0;
        this.y=0;
        this.move =function(x,y){
            document.write(this.name+"正在移动到"+x+","+y);
        }
        this.eat=function(){
            document.write("正在吃");
        }
    }

Instance of the class: Create an object

var p1 = new peple();
    p1.name="阿达";
    p1.hp = 100;
    p1.move(100,100);
    p1.move(22,200);

Dynamic extension method

p1.fire = function(x,y){
        document.write(this.name+"正在开火向"+x+","+y);
        p1.hp--;
    }

outside the class

Call the function defined outside the function

p1.fire(00,00);
    p1.fire(43,22);
    p1.fire(66,88);
    document.write("hp="+p1.hp);

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