Building Data-Driven Web Apps with Pyramid and SQLAlchemy Transcripts
Chapter: Client and server-side validation
Lecture: Concept: Client-side validation with HTML5
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Let's review client side validation as a concept.
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We saw that it's really easy to add HTML5 based validation
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to our forms. All we have to do is set the type
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and say whether things are required.
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For example, on the first input here
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we have the type is email and it's required.
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The second one, the type is password, and it's required.
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Password you'd typically set 'cause you're
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it's really clear right away that you don't want people
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to see the password, but email versus text, not so obvious.
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You might as well put it in there
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'cause it'll help make sure that email is actually valid
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for most users. So once we have this in place
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if we try to put just something like our name
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where an email address is expected
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it goes no no, that's not a valid email address.
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You need the @. Michael is missing an @.
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Real easy, just add a few requireds and types
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and you'll get much better client side validation.
