STEP 1 − Create a select tag with multiple options and assign an id to the select tag. In the above syntax, selectElement.value returns the text value of the selected option from the option menu. Nothing will be returned if no option is chosen. This property returns a string corresponding to the value attribute of the list's "option" element. The value property on the selected element that specifies the list can be used to determine the value of the selected element. In this section, we will learn how to get the selected option in a dropdown using the value property. This value is displayed in the innerHTML of the empty Dom available. Then, the selectedIndex of these elements is taken from the element array and displays the value. In this function, we select the select tag within the form tag using the name attribute assigned to each tag. The select tag has an onchange() event that will execute a function when the user selects an option from the dropdown list. Select tag with multiple options within the form tag. In the below example, we have a form tag. Here, selectedIndex is the index of the selectElement and value property returns the value of the selected element. Syntaxįollow the syntax below to use the selectedIndex property. The value attribute of this option can be used to determine its value. The page's source code determines the order of the elements.To retrieve the specified element, utilize this property, and the index found before it. If none of the options is selected, this index, which starts at 0, yields -1.Īll of the option items in the pick drop-down list are collected by the options property, which returns them. The index of the element in the drop-down list that is now selected is returned by the selectedIndex property. In this section, we will learn how to get the selected option in a dropdown using the selectedIndexproperty. Using selectedIndex Property of the Option Now let us see the methods to display the selected option in the dropdown list. Attach a click event listener to the button. Then the selected index can be displayed using JavaScript when the button is clicked. The process use the queryselectorfunction to first select the "button" and "select" elements. The DOM API functions getElementById() and querySelector() can be used to choose a element. After submitting the form, the name attribute must refer to the form's data. What is a dropdown list? A dropdown list is a switchable menu that enables users to select one item from various options.Ī drop-down list is generated with the tag is most frequently used in forms to gather user input. In this tutorial, we will learn how to display the selected option in a dropdown list with JavaScript.
0 Comments
Leave a Reply. |