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Set select option 'selected', by value | jQuery You have a select element, and you need to select one of its options based on one of its values. In this case, you can use selected selector in combination with val() method to find the selected option value in a drop-down list.

To change the selected option programmatically by the value attribute, all we have to do is change the value property of the <select> element. The select box will then update itself to reflect the state of this property. This is the most straightforward way of updating a select box state.

Method 1: Using the value property: The value of the selected element can be found by using the value property on the selected element that defines the list. This property returns a string representing the value attribute of the <option> element in the list. If no option is selected then nothing will be returned.

Click(function() { $("#myDropdown option:contains(Option 2)"). attr('selected', 'selected'); }); Now let's check it. When we run our code on browser then if we click the button, we will see that the option with text ?Option 2? with the value ?2? selected.

Approach : To add more option to the existing drop-down list using the append() method : var options = { val1: 'C#', val2: 'PHP' }; var selectOption = $('#programmingLanguage'); $. each(options, function (val, text) { selectOption. append( $('<option></option>').

How to Change Selected Value of a Drop-Down List Using jQuery prop() The jQuery prop() method can help you get the text value of the selected option for jQuery 1.6+ versions: ... attr() This method sets the attributes and values of the selected elements. ... val()

Each menu option can be defined by an <option> element that can nested inside the <select> element. Each <option> element will be specified with the value attribute containing the data value that will be submitted to the server when that particular option is selected.

How to Change Selected Value of a Drop-Down List Using jQuery prop() The jQuery prop() method can help you get the text value of the selected option for jQuery 1.6+ versions: ... attr() This method sets the attributes and values of the selected elements. ... val()