Note_Tech

All technological notes.

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HTML - Form

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• HTML - Form
  • <form> Element

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<form> Element

• An HTML <form>s is used to collect user input. The user input is most often sent to a server for processing.

• Syntax

<form></form>

• Attribute

Attribute	Description
name	the name of the form
action	the action to be performed when the form is submitted
method	the HTTP method to be used when submitting the form data
target	ndicates where to display the response

• Method Attribute

  • GET:

    • Appends the form data to the URL, in name/value pairs
    • NEVER use GET to send sensitive data! (the submitted form data is visible in the URL!)
    • The length of a URL is limited (2048 characters)
    • Useful for form submissions where a user wants to bookmark the result
    • GET is good for non-secure data, like query strings in Google

  • POST:

    • Appends the form data inside the body of the HTTP request (the submitted form data is not shown in the URL)
    • POST has no size limitations, and can be used to send large amounts of data.
    • Form submissions with POST cannot be bookmarked

• Target Attribute

Value	Description
_self	The response is displayed in the same frame (this is default)
_blank	The response is displayed in a new window or tab
_parent	The response is displayed in the parent frame
_top	The response is displayed in the full body of the window
framename	The response is displayed in a named iframe

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