In the example, the sb.option is the array-like object. filter.call(sb.options, option => lected).map (option => option.text) The component contains an option attribute that permits us for accessing the collection options:Ĭonst selectValues =. Value- It returns the value attribute of HTML. We set the selected property true for selecting an option. Selected- It returns a true value if the option is chosen. Index- The option's index within the group of options. This type contains the following properties: The HTMLOptionElement type illustrates the element in JavaScript. The value attribute will be "1" or "2" when we choose the third or second option.The value attribute of a select box will be Ember.js due to the chosen option contains no value attribute when we choose the last option.The value attribute of the element is empty when we select the initial option.The value property of a select box will be derived from the initial selected option regarding the past two rules when more than one options are chosen.The value property of a select box will be the text of the chosen option when an option has been chosen and contains no value attribute.The value property of a select box will be the value of the chosen option when an option has been chosen and contains the value attribute.The value property of a select box will be an empty string when no option has been selected.The element's value property relies on the component and multiple attribute of its HTML: After that, link the click event listener to this button and display the selected index with the help of alert() method if the button is pressed.Initially, select the and components with the help of querySelector() method.
Change select options into button text html css how to#
The example indicates how to obtain the selected option index which is mentioned below:Ĭonst btn = document.querySelector('#btn') Ĭonst sb = document.querySelector('#color') We apply the DOM API like querySelector() or getElementById(). It is the same as the multiple attributes. multiple- The multiple attributes give true when the component permits more than one selection.value- The value attribute gives the value attribute of the initially selected option component if there is a single, otherwise, it will return the empty strings.When the option permits more than once selections, the selectedIndex gives the first option's value. The selectedIndex will be -1 when no option is chosen. selectedIndex- This attribute gives a zero-based selected options index.The HTMLSelectElement type contains the following helpful attributes: We use the HTMLSelectElement type for interacting with option in JavaScript.