abstract:问题:这些如果我用html让他在浏览器显示 怎么操作了var a=50undefinedtypeof a"number"var name="btc"undefinedtypeof name"string"
问题:这些如果我用html让他在浏览器显示 怎么操作了
var a=50
undefined
typeof a
"number"
var name="btc"
undefined
typeof name
"string"
Correcting teacher:灭绝师太Correction time:2018-12-07 14:02:58
Teacher's summary:直接输出就可以了呀!document.write()