Option value attribute

Definition and Usage

value Property to set or return the value of the option (the value sent to the server when the form is submitted).

Tip:If no value is specified for the option element value attributeThen the text content will be sent to the server when the container form is submitted.

See also:

HTML Reference Manual:HTML <option> value egenskab

HTML Reference Manual:HTML <option> tag

Example

Example 1

Prompt the value of the selected option in the dropdown list:

var x = document.getElementById("mySelect").selectedIndex;
alert(document.getElementsByTagName("option")[x].value);

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Example 2

Change the value of a specific option element:

document.getElementById("myOption").value = "newValue";

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Syntax

Return value property:

optionObject.value

Indstil value egenskab:

optionObject.value = value

Egenskabsværdi

Værdi Beskrivelse
value Værdien, der skal sendes til serveren.

Tekniske detaljer

Returværdi: Strengværdi, der repræsenterer værdien af option-elementets value egenskab.

Browser understøttelse

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Chrome Edge Firefox Safari Opera
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