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document.createElement ('form') And then further down I would also assume you are forgetting it for this one. You definitely need to checko ut the documentation online for these methods, and double check your code. All 6 books are brand new, rewritten to cover all sides of JS for 2020 and beyond.'Get Started' prepares you for the journey ahead, first surveying the language then detailing how the rest of the You Dont Know JS Yet. You’re referencing a variable not defined yet.
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with references two or more variables are pointing at the same value and modifying this shared value would be reflected by an access via any of those references Look no furtherThe worldwide best selling 'You Dont Know JS' book series is back for a 2nd edition: 'You Dont Know JS Yet'.primitive values are always assigned/passed as value copies.
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In JS, however, this decision is entirely determined by the kind of value.