Abstract description of things
Describe the characteristics and behavior of such things
Objects are instances of classes
Code implementation: Create a class
1 2 3 4 5 6 7 8 9 10 11 12 13 | 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" );
}
}
|
Copy after login
Instance of the class: Create an object
1 2 3 4 5 | var p1 = new peple();
p1.name= "阿达" ;
p1.hp = 100;
p1.move(100,100);
p1.move(22,200);
|
Copy after login
Dynamic extension method 1 2 3 4 | p1.fire = function (x,y){
document.write(this.name+ "正在开火向" +x+ "," +y);
p1.hp--;
}
|
Copy after login
outside the classCall the function defined outside the function
1 2 3 4 | p1.fire(00,00);
p1.fire(43,22);
p1.fire(66,88);
document.write( "hp=" +p1.hp);
|
Copy after login
The above is the content of JavaScript Enhanced Tutorial-JS Object-Oriented Programming, more related content Please pay attention to the PHP Chinese website (www.php.cn)!