<script>
/* 函数也声明提前:使用function关键字声明的函数,会将整段函数声明提前 */
console.log(go);
function go(){
console.log("hello");
}
</script>
<script>
/* 变量名和函数名相同时,先提前变量,再提前函数*/
/* var go = fubction go(){
console.log("hello");
} */
console.log(go);
var go = 10
function go(){
console.log("hello");
}
</script>