Which statement is true regarding function scope in JavaScript?
- Functions can access variables from outer scopes.
- Variables declared inside functions have global scope.
- Variables declared inside functions have function scope.
- Variables declared inside functions are accessible only within that function's block.
In JavaScript, variables declared inside functions have function scope, meaning they are only accessible within that function. This is important for encapsulation and avoiding variable conflicts. Variables declared outside of functions have global scope, and functions can access variables from outer scopes, but the reverse is not true.
The _________ event does not necessarily have to be attached to a form element.
- submit
- reset
- change
- keydown
The change event in JavaScript doesn't necessarily have to be attached to a form element. It can also be used with other HTML elements like ,