1.
var foo = 1;
function bar() {
foo = 10;
return;
function foo(){}
}
bar()
foo // 1
2.
var i = 3,
reg = /a/g;
while(i--) {
setTimeout(function(){
console.log(i, reg.test('abc'))
},0)
}
tangyuu 2017-10-26 23:05 原文
1.
var foo = 1;
function bar() {
foo = 10;
return;
function foo(){}
}
bar()
foo // 1
2.
var i = 3,
reg = /a/g;
while(i--) {
setTimeout(function(){
console.log(i, reg.test('abc'))
},0)
}