jQuery val() Method

jQuery HTML/CSS Methods : Set the value of the <input> field

Definition and Usage

The val() method returns or sets the value attribute of the selected elements.

When used to return value:
This method returns the value of the value attribute of the FIRST matched element.

When used to set value:
This method sets the value of the value attribute for ALL matched elements.

Note: The val() method is mostly used with HTML form elements.

Return the value attribute:

$(selector).val()

Set the value attribute:

$(selector).val(value)

Set the value attribute using a function:

$(selector).val(function(index,currentvalue))

Parameter	Description
value	Required. Specifies the value of the value attribute
function(index,currentvalue)	Optional. Specifies a function that returns the value to set. index - Returns the index position of the element in the set currentvalue - Returns the current value attribute of selected elements

Return the value attribute
How to return the value of the value attribute of the FIRST matched element.

Set the value attribute using a function
Using a function to set the value of the value attribute.

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