JS基础

浅析Js中${}字符串拼接	浅析Js中${}字符串拼接
js子类调用父类同名方法

js子类调用父类同名方法

class Father {
    log (abc:any){
        cclog.d("father", abc);
    }
}

class Son extends Father {
    log (abc:any){
        Father.prototype.log.apply(this, arguments);
        cclog.d("son", abc);
    }
}
/*
father 123
son 123
*/

js call apply 作用与区别