Hold down the control key on Windows or command key on Mac to select multiple options. Similarly, you can retrieve the selected values from multiple select boxes with a little trick. The index found before it can be used with this property to get the selected element. Keeping in mind what we stated above, we know that we can recover the index, the value or text. Now, we need to select the above elements by data attribute in JavaScript. Note: Returns null if the index number is out of range: namedItem(id) Returns the element from the collection with the specified id. The second one is the text value of the select element. In the example code, we will show how you can get the text value of the select using jQuery. JavaScript – How to recover the value of a selected option in a dropdown list. - JavaScript - Get selected value from dropdown list. If there is no selected options, nothing is returned. The index starts at 0. Note: The value "-1" will deselect all options (if any). For a single valued select, setting its value can be done with the value or the selectedIndex property. To select the single element, we need to use document.querySelector() method by passing a [data-attribute = 'value'] as an argument. Example: Get Selected Day. Get Selected Options from Multiple Select Box. If the drop-down list allows multiple selections, the first selected option is returned. A multiple select box allows a user to select multiple options. Also the following code will help you to select item from selection option by index number. Get the selected value of dropdown list using JavaScript. The markup for this example remains the same as above. Javascript Select options. The options property returns the collection of all the option elements in the dropdown list. The elements are sorted according to the source code of the page. A String, representing the value of the value attribute of an element in the drop-down list. Assuming you have a unique list of option values, you can find the selected option by using a bit of jQuery. text: It gives the text inside the option; selected: It tells whether the option is selected or not; Setting Value of Select Element. Full Source. The selectedIndex property sets or returns the index of the selected option in a drop-down list. The following program shows how to get selected index value or selected text from a Javascript dropdownlist. This index starts from 0 and returns -1 if no option is selected. Get The Data-Id By The Option Value. Also Read: How to Use AngularJS ng-options to Bind or Populate JSON Array to a SELECT DropDownList. Note: If the drop-down list allows multiple selections it will only return the index of the first option selected. About Mkyong.com. Note: If no option is selected, the selectedIndex property will return -1. 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