Prof If you wanted to get the string "Mr" if the first option was selected (instead of just "1") you would do that in the following way: Examples to Get Selected Option Index using jQuery Alternatively, you can use the `jQuery.map()` instead. Tutorials, references, and examples are constantly reviewed to avoid errors, but we cannot warrant full correctness of all content. using jQuery are mentioned in this article. The selected attribute is a boolean attribute. 概要 会員登録フローで、あるプルダウンの項目が未入力の場合、デフォルトでvalue="4"の項目を選択した状態にしたい attr()で実装すると、iPadで閲覧した際に、初期値の空白とvalue="4"の項目 … Once you have the selected option, you can use the .data() method to retrieve the data-attribute in question: If you run this code on the “input” event of the input box, you’ll get the data-id of the selected option as soon as an option is selected – whether it is selected by mouse, arrow keys on the keyboard, or by typing in the complete item value. alert($(“#myselect option:selected”).index(); You can use the jQuery :selected selector in combination with the val() method to find the selected option value in a select box or dropdown list. Here I am writing a sample select options and change its selected value by writing jQuery code. You have a select element, and you need to “select” one of its options based on one of its values. The :selected selector selects option elements that are pre-selected. Let’s assume that you have a select dropdown with ID “countries”. One subtle point I think I’ve discovered about the top voted answers is that even though they correctly change the selected value, they do not update the element that the user sees (only when they click the widget will they see a check next to the updated element).. Chaining a .change() call to the end will also update the UI widget as well. When the button is clicked the selectedIndex of the HTML Select Dropdown with ID mySelect is set using jQuery You can use the jQuery :selected selector in combination with the val() method to find the selected option value in a select box or dropdown list. Tip: The selected attribute can also be set after the page loads, with a JavaScript. Vamos a seleccionar el option con value = 2. function seleccionar() {$("#menu option[value='2']").attr("selected", true);} El código quedaría algo así. What you do is use the “selected-selector” of jQuery to do it in a single line. 원본 주소 "https://zetawiki.com/w/index.php?title=JQuery_select_값으로_선택&oldid=609554" jQuery permet de modifier la valeur sélectionnée dans une liste déroulante . Use the :checked selector instead. $("#select_id").change(function(){//code...}); //为Sele The button with ID demo is attached with a click event. var v = $(‘[name=name1]’).val(); IDを指定する場合は、 var v = $(‘#id1’).val(); のように書きます。 jQueryで選択しているselectのテキストを取得. The selected option’s value is displayed in a simple alert. The jQuery select option with. jquery - select option 선택값 가져오기 [jquery] select box 선택값 가져오기 // select box ID로 접근하여 선택된 값 읽기 $("#셀렉트박스ID option:selected").val(); // select box Name로 접근하여 선택된 값 읽기 $("select[name=셀렉트박스name]").. To achieve the best performance when using :selected to select elements, first select the elements using a pure CSS selector, then use .filter(":selected"). It supports searching, remote data sets, and pagination (infinite scrolling) of results. 구분 성명 아이디 검 색 위와 같은 option 값을 변경하는 jQuery // 지정된 index 값으로 select 하기 $('#searchName option:eq(2)').prop('selected', true); // option 3번째 선.. We can select text or we can also find the position of a text in a drop down list using append 함수와 empty함수를 사용해 셀렉트박스 안에 있는 선택 옵션들을 HTML에 고정으로 만들어 두는 것이 아닌 특정 이벤트가.. 위의 예제에서 학생을 선택된채로 폼을 전송했다면 job 필드의 value값은