Younho9 Notes호이스팅(hoisting)
Title
호이스팅(hoisting)
Category
JavaScriptTags
Aliases
호이스팅(hoisting)호이스팅hoistingRelated
Created
2 years ago
Updated
last year
Example
js
function fn() {
foo = 123;
}
fn();
console.log(foo); // foo is not defined
(function () {
bar = 123;
})();
console.log(bar); // 123
(function () {
var baz = 123;
})();
console.log(baz); // baz is not defined
function fn() {
foo = 123;
}
fn();
console.log(foo); // foo is not defined
(function () {
bar = 123;
})();
console.log(bar); // 123
(function () {
var baz = 123;
})();
console.log(baz); // baz is not defined