How to use this in vue

In Vue.js, the this keyword refers to the current component instance, which is used to access component data, methods, and properties, and is limited to the scope of the component itself.

Usage of this in Vue.js

What is this? The

this keyword refers to the current component instance in Vue.js. It provides access to component data, methods and properties.

Usage of this

this can be used for the following purposes:

1. Access data

<code class="javascript">this.data.message</code>

2. Call the method

<code class="javascript">this.methods.greet()</code>

3. Access the calculated property

<code class="javascript">this.computed.fullName</code>

4. Access the listener Device

<code class="javascript">this.$listeners.input</code>

5. Access the slot

<code class="javascript">this.$scopedSlots.default</code>

6. Access the parent or root component

<code class="javascript">this.$parent
this.$root</code>

## The scope of

#this

the scope of this is limited to the current component instance. This means it is not accessible from other components or from the global context.

Best Practices

Avoid using
• this directly in templates as it may make the code difficult to maintain and debug.
Instead, define a computed property or method to expose the required component state.
• Use arrow functions in Methoden to ensure that
• this always refers to the correct component instance.

Other notes

In the Vuex store,
• this refers to the store itself, not the one being used components.
In the event handler function,
• this refers to the event target, not the component instance.

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