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面向对象的使用
面向对象的使用
xiaoxiao
2021-12-15
31
<!DOCTYPE html>
<
html
lang
=
"en"
>
<
head
>
<
meta
charset
=
"utf-8"
>
</
head
>
<
body
>
<
script
>
//升级普通版
function
Sprite
(option)
{
this
.name = option.name;
this
.age = option.age; }
//在原型中添加方法
Sprite.prototype.show =
function
()
{
console.log(
this
.name); }
var
s =
new
Sprite({ name:
'222'
, age:
20
}); s.show();
//最终版方法
function
Sprite
(option)
{
this
._init(option); } Sprite.prototype = { _init:
function
(option)
{
this
.name = option.name;
this
.age = option.age;
this
.color =
'red'
; }, show:
function
()
{
console.log(
'ss'
); } };
var
s =
new
Sprite({ name:
'sss'
, age:
19
}); s.show();
</
script
>
</
body
>
</
html
>
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