function?ok(){
var?a?=?0;
console.log(a);
}
function?ko(){
var?b?=?a;
console.log(b);
}
ok();
ko();像這樣會(huì)提示：Uncaught ReferenceError: a is not defined。怎么解決？
js兩個(gè)局部變量之間如何進(jìn)行訪(fǎng)問(wèn)？
kofzxaaa
2016-10-19 17:27:51
