Vue dropdown change event
Vue dropdown change event:In Vue.js, a dropdown change event is triggered when the user selects a different option from a dropdown menu. This event can be captured and handled using the v-on
directive, also known as @
shorthand. The dropdown change event can be useful for updating the state of a component or triggering a method that performs some action based on the selected option.
For example, if you have a dropdown menu that allows the user to select a language, you can capture the change event and update a selectedLanguage
variable in your component's data object. Then, you can use this variable to update the text on your page or perform other actions specific to the selected language
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What is an example of a Vue dropdown change event?
This code is a Vue.js example that demonstrates a dropdown change event. The user can select a country from the first dropdown, and based on the selected country, the second dropdown will populate with a list of cities from that country.
When the user selects a new country, the handleCountryChange
method is called, which updates the list of cities and resets the selected city. The v-model
directive is used to bind the selected values to the selectedCountry
and selectedCity
data properties. The @change
event listener is used to call the handleCountryChange
method when the user selects a new country.
The v-for
directive is used to generate the dropdown options dynamically based on the countries
and cities
data properties. The :key
directive is used to provide a unique identifier for each option, and the :disabled
directive is used to disable the first option in each dropdown.
Overall, this code demonstrates how Vue.js can be used to create dynamic and interactive UI components.