摘要: <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="viewport" content="wi 阅读全文
posted @ 2021-12-20 16:43 竹石2020 阅读(79) 评论(0) 推荐(0)
摘要: #可以查看某个属性是否存在实例中 <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="view 阅读全文
posted @ 2021-12-20 15:54 竹石2020 阅读(40) 评论(0) 推荐(0)
摘要: # JavaScript中的原型对象 <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="vi 阅读全文
posted @ 2021-12-20 14:06 竹石2020 阅读(43) 评论(0) 推荐(0)
摘要: # 构造函数的使用 1 <!DOCTYPE html> 2 <html lang="en"> 3 <head> 4 <meta charset="UTF-8"> 5 <meta http-equiv="X-UA-Compatible" content="IE=edge"> 6 <meta name= 阅读全文
posted @ 2021-12-20 13:38 竹石2020 阅读(33) 评论(0) 推荐(0)