DropdownElement
The DropdownElement
class is used to create a dropdown selection element in a user interface.
Constructor
Name | Type | Description |
---|---|---|
elementId | string | This property in constructor accepts the Id for the element |
label | string | This property in constructor accepts the label for dropDown |
options | Array<OptionElement> | This property in constructor accepts options for dropDown |
Class Usage
Here's an example of how you can create an instance of the DropdownElement
class:
- Typescript
let option1 = new OptionElement("Option 1", "1");
let option2 = new OptionElement("Option 2", "2");
let optionsList = [option1, option2];
let dropdownElement = new DropdownElement("1", "Choose an option", optionsList);
In this example, a new instance of DropdownElement
is created with an elementId "1", a label "Choose an option", and a list of two options.
Key Properties and Methods
Default Value of the Input Element
The setDefaultValue()
method sets the default value in the dropdown input, while the getDefaultValue()
retrieves it.
For example:
- Typescript
dropdownElement.setDefaultValue("1");
Example
Here is an example that showcases the creation and manipulation of an instance of DropdownElement
:
- Typescript
// Create some options
let option1 = new OptionElement("Option 1", "1");
let option2 = new OptionElement("Option 2", "2");
let optionsList = [option1, option2];
// Create a new instance of DropdownElement
let dropdownElement = new DropdownElement("1", "Choose an option", optionsList);
// Set and get the default value
dropdownElement.setDefaultValue("1");