Option defaultSelected attribute

Objeto Option DOM HTML

Definition and Usage

defaultSelected attribute returns selected attribute the default value.

If the default selected option is selected, this property returns true, otherwise return false.

Note:If an option is selected by default, it is displayed first in the dropdown list.

See also:

HTML Reference Manual:Etiqueta <option> do HTML

Example

Check if the selected option is selected by default:

var x = document.getElementById("mySelect").selectedIndex;
var y = document.getElementsByTagName("option");
alert("Is " + y[x].text + " selected by default? " + y[x].defaultSelected);

Experimente pessoalmente

Sintaxe

optionObject.defaultSelected

Detalhes técnicos

Retorno: Booleano, se a opção padrão for selecionada, retorna true; caso contrário, retorna false.

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Objeto Option DOM HTML