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The default value of the select element can be set by using the 'selected' attribute on the required option. This is a boolean attribute. The option that is having the 'selected' attribute will be displayed by default on the dropdown list.

Assuming plain javascript, try the following in a script placed after the dropdown: const mySel = document.getElementById("theIDofYourSelect"); mySel.addEventListener("change",function() { localStorage.setItem("selValue",this.value); // save it. }); let val = localStorage.getItem("selValue");

You can use the getElementById method to get the dropdown element and then access its value property: var dropdown = document. getElementById("myDropdown"); var selectedValue = dropdown. value;

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.

Set value of a drop-down list with JavaScript/jQuery Using jQuery. The jQuery's . val() method allows setting the value of a dropdown. JS. HTML. Using JavaScript. In pure JavaScript, you can use the selectedIndex property which reflects the index of the selected <option> element. JS. HTML.

There are three common ways to solve this issue: DOM events. The first solution is to use DOM events to call an event handler. ... Adding a placeholder ?title? option. Due to the behavior of event handlers with the select menu, a common solution is to use a placeholder element as the first option. ... Using a form.

Dynamic HTML Select Drop Down List Using JavaScript Declare HTML Select Wrapper Element. Create JavaScript Object Model. Add Options Dynamically To Select Element. Attach Change Event To Select Drop Down List.