多项选择题
A.undefinedB.FALSEC.[]D.{}
var name = 20;function bbb(){ this.name = 10; var name ...
var name = 20;function bbb(){ this.name = 10; var name = 30;}console.log(name);bbb();console.log(name);以上代码结果是?()
A.30B.20C.10D.0
var data=[’wangwu’,’zhaoliu’];console.log(typeof data);...
单项选择题var data=[’wangwu’,’zhaoliu’];console.log(typeof data);以上代码片段的输出结果是什么?()
A."object"B."arrayC.ObjectD.Array
var ff = 1;function age() { console.log(ff); var ff = 2...
单项选择题
var ff = 1;function age() { console.log(ff); var ff = 2;}var m1 = new age();以上代码片段的输出结果是什么?()
A.1B.2C.3D.undefined