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$("#mySelectElementID").val("my_new_value"); //change selected option/value with jQuery
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// Using jQuery, detect the change event on the select element
$('select').change(function() {
// Perform the desired action when an option is selected
// You can access the selected option using $(this).val()
var selectedOption = $(this).val();
// Code to execute when the option changes
// e.g., updating the page content, making an AJAX request, etc.
console.log("Selected option: " + selectedOption);
});
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$('#choose').change(function(event) {
$.post('info.php', { selected: $('#choose').val() },
function(data) {
$('#update').html(data);
}
);
});
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var newValue = 'value to set in select input';
var dropDown = $('#id-of-select-input'); // or use class i.e, $('.class-of-select-input')
dropDown.val(newValue); // set the value of select input
dropDown.trigger('change'); // trigger to reflect change in select input
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// Assuming the select element has an id of "mySelect"
$('#mySelect').val('desiredValue');
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<select onchange="getval(this);">
<option value="1">One</option>
<option value="2">Two</option>
</select>
Run code snippet
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// Assuming you have a <select> element with id "mySelect"
// and you want to set the value to "option2"
// Using the jQuery selector to select the element by its id
var selectElement = $('#mySelect');
// Setting the value of the <select> element using val() function
selectElement.val('option2');