... (Selection) in a multiple Select. How to advise change in a curriculum as a "newbie". errorsea.com is built by developers for developers . Why does my advisor / professor discourage all collaboration? 1) Click a button which defines select option To achieve this feat you can use various methods, two of those methods will be explained below. When an item is selected in the HTML Select DropDownList, the GetSelectedTextValue JavaScript function is executed to which the reference of the HTML Select DropDownList is passed as parameter. If you need the change event to be fired, you should also do: This can also be used for multi-select; just pass an array of strings to the 'val' function instead of a single string. Is it safe to use RAM with a damaged capacitor? Set its property and exit s.options[i].selected = true; break;}} return;} setSelectedIndex(document.getElementById("ddl_example5"),"BB"); Which will give Do I keep my daughter's Russian vocabulary small or not? As you can see, the initially selected item is the first item on the list. With jQuery, it is easy to writing one line of code to change the selected value from a drop-down list. A- dropdown list B- drop down list 1 4 2 5 Red Blue Green Yellow Orange. The index starts at 0. RE: Set value of Drop down kaht (Programmer) 15 Aug 06 15:08 This will set the set the value to 3, if the value of 3 doesn't exist in the dropdown it won't do anything. Copy to clipboard This property returns or sets the index of the selected value in a drop-down list. In the first example, I’ll create a JSON array inside JavaScript and bind the data to a SELECT element. The default value of the select element can be set by using the ‘selected’ attribute on the required option. To force the AngularJS validation, call jQuery change() after selecting an option: That should set the selection to "Annual Leave", The easiest way if you need to: In a Javascript combobox you can set a selected value as you wish. I’m trying to do something similar as this Post, I mean, using JQuery to set a value … ... How to set selected value in a Dropdownlist. How do I programmatically set the value of a select box element using JavaScript? This is size improvement of William answer. If it is a drop down use select... $ (document).ready (function () { alert ("running"); // Test to see if Javascript is running, and it is $ ('.presenter select').change (function () { //also tried $ ('#q3 input') alert ("still running"); // Script doesn't run this $ ('.assign select').val ($ (this).val ()); }); }); 2 0. Following is the function for JavaScript that will return the selected value or text from the dropdown list: