set selected value of dropdown in javascript dynamically

After clicking on button, it go on index 2: Example-2: If you select selectedIndex = -1; it will deselect all the elements of selectbox. Are you looking for a code example or an answer to a question how to set selected value of dropdown in jquery dynamically? // Select by text What the above is doing is: find element with id select_states // $("#selector_states") (note: this returns jQuery object) from its child DOM elements find ones Here it goes. // Select by value can set select value js. This post will discuss how to set the value of a dropdown list in JavaScript and jQuery. js set selected value of dropdown. 1. window document get selected option. Generally, while using various APIs and in some complex forms, we need to dynamically set Selected value of dropdown list using $("#gender").val("Male").attr("selected","selected"); Dynamically generated select option dropdown menu using JavaScript. How to Get the Selected Value from a Dropdown List using JavaScript?Get the Selected Value from a Dropdown List. To get the selected value from a dropdown list, we can get the select element. Get the Text of the Selected Option Element from a Dropdown List. We can also get the text of the select option element from a dropdown list. Watch for Changes. Conclusion. 1 Answer. If you want to select the option on the server side you can do something like: set selectable value on dropdown. Your syntax is wrong. You need to call attr with two parameters, like this: $('.salesperson', newOption).attr('defaultSelected', "selected"); How to dynamically populate a dropdown list values matching with another dropdown in MVC using jquery ajax how to set the value in textbox on the Selected value of Set Selected Value of Dropdown in JavaScript. javascript dropdown change selected value get. $('select[name="options"]').find('option[value="3"]').attr("selected",true); deselect options. Create a dynamic SELECT drop-down list (combo-box) in JavaScript set a value selected in dropdown html. You can add an option to a Pardon my ignorance, but why are you using $('.salesperson') instead of $('#salesperson') when dealing with an ID? Here is another way you can change the selected option of a element in javascript. You can use document.getElementById('salesperson').s SCRIPT