HTMLButtonElement : HTMLElement
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Defines a clickable button element.

Platform Support

Mozilla Chrome Safari Opera IE Netscape
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Constructors

Constructor Action Mozilla Chrome Safari Opera IE Netscape
HTMLButtonElement Constructor() : HTMLButtonElement
Creates an instance of the HTMLButtonElement.
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HTMLButtonElement() : HTMLButtonElement

Creates an instance of the HTMLButtonElement.

Returns
HTMLButtonElement

Visibility
internal

Properties

Property Action Mozilla Chrome Safari Opera IE Netscape
autofocus : Boolean
Allows the user to indicate that a control is to be focused as soon as the page is loaded, allowing the user to just start typing without having to manually focus the main control.
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disabled : Boolean
Disables form controls.
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form : HTMLFormElement
Used to explicitly associate the button element with its form owner.
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formAction : String
Specifies the action for the form element.
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formEnctype : String
Specifies the encoded type for the form.
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formMethod : String
Specifies the method for the form (GET, POST, PUT, DELETE)
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formNoValidate : String
Specifies whether form is validated during submission.
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formTarget : String
Specifies the target for the form.
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name : String
Specifies the name of the form control.
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type : String
Specifies the type of the form control.
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value : String
Specifies the value for the purposes of form submission.
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willValidate : Boolean
Specifies whether the element will be validated when the form is submitted.
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validity : ValidityState
Specifies the validity of the element.
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validationMessage : String
Specifies a suitably localized message that the user agent would show the user if this were the only form control with a validity constraint problem.
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labels : NodeList
Returns a NodeList of all the label elements that the form control is associated with.
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Inherited Functions

Method Action Mozilla Chrome Safari Opera IE Netscape
getElementsByClassName(String classNames) : NodeList
Returns a NodeList containing all the Element nodes with the specified classNames.
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Parameters
String classNames (one-or-more)A string representing the class name(s) of the elements to return. Multiple class names should be separated by spaces.

Returns
NodeList

Using getElementsByClassName

                        	                    document.getElementById("useCases").getElementsByClassName("question");

Would return a NodeList of all elements inside the element with the id "useCases" to which the class "question" applies.

                        	                    document.getElementById("useCases").getElementsByClassName("question issue");

Would return a NodeList of all elements inside the element with the id "useCases" to which both the classes "question" and "issue" apply.

Remarks

Returns a list of child elements to which the specified className applies. The returned NodeList is sorted in tree order (the order the elements were found during a depth-first preorder traversal through the node tree).

See Also

Document.getElementsByClassName|Element.getElementsByClassName|HTMLDocument.getElementsByClassName

Availability

HTML 5|W3C|W3C

Functions

Method Action Mozilla Chrome Safari Opera IE Netscape
checkValidity() : Boolean
The user agent must instanceally validate the constraints of the form element, and return true if the constraint validation return a positive result, and false if it returned a negative result.
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Returns
Boolean

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setCustomValidity(String error) : void
Sets the custom validity error message to the value of the given message argument.
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Parameters
String error The error message for the validity check.

Availability

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References

HTMLButtonElement

Availability

JavaScript 1.2|WhatWG

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