Bummer! This is just a preview. You need to be signed in with an account to view the entire instruction.
- ReferenceError: "x" is not defined
- Wrong scope
- Valid cases
- Update older browsers
- SyntaxError: a declaration in the head of a for-of loop can't have an initializer
- Valid for-of loop
- SyntaxError: arguments is not valid in fields
- TypeError: 'x' is not iterable
- Iterating over Object properties
- Iterating over a generator
- Iterating over a custom iterable
- TypeError: can't assign to property "x" on "y": not an object
- Common JavaScript Errors: ReferenceError, SyntaxError, and TypeError Quiz 5 questions
Well done!
You have completed (UPI) Chapter 11: Managing Errors, Debugging, and Handling Events in JavaScript!
Instruction
Valid cases
To make "bar" a declared variable, you can add a let, const, or var keyword in front of it.
function foo() {
"use strict";
const bar = true;
}
foo();
SyntaxError: "x" is a reserved identifier
The JavaScript exception "variable is a reserved identifier" occurs when reserved keywords are used as identifiers.
Message:
SyntaxError: Unexpected reserved word (V8-based)
SyntaxError: implem...