Purpose
The value binding links the associated DOM element’s value with a property on your view model. This is typically useful with form elements such as <input>, <select> and <textarea>.
When the user edits the value in the associated form control, it updates the value on your view model. Likewise, when you update the value in your view model, this updates the value of the form control on screen.
Note: If you’re working with checkboxes or radio buttons, use the checked bindi