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Suppose a user has just entered letters into a web form field referenced as account whose data type was set to number. Which JavaScript expression

Suppose a user has just entered letters into a web form field referenced as account whose data type was set to "number." Which JavaScript expression will return a Boolean true when applied to this form field?

Question 35 options:

account.checkValidity()

account.validity.typeMismatch

account.noValidate

account.validity.badInput

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