Examples of using JavaScript to access and manipulate HTML input objects.
Button Object
Disable a button
Find the name of a button
Find the type of a button
Find the value of a button
Find the text displayed on a button
Find the id of the form a button belongs to
Form Object
Find the value of each element in a form
Find the accepted character set of a form
Find the action attribute of a form
Find the value of the enctype attribute in a form
Find the number of elements in a form
Find the method for sending form data
Find the name of a form
Find the target of a form
Option and Select Objects
Disable and enable a dropdown list
Get the id of the form that contains the dropdown list
Get the number of options in the dropdown list
Turn the dropdown list into a multiline list
Select multiple options in a dropdown list
Display the selected option in a dropdown list
Display all options from a dropdown list
Display the index of the selected option in a dropdown list
Change the text of the selected option
Remove options from a dropdown list