What are the commonly used instructions in vue?

Commonly used instructions in Vue: Basic instructions: v-model, v-if, v-for, v-on, v-bind Modifier instructions: .lazy, .prevent, .capture, .once conditions Sexual rendering instructions: v-if, v-else, v-else-if loop instructions: v-for, v-for-in Event processing instructions: v-on Attribute binding instructions: v-bind

Commonly used directives in Vue

Vue provides a wealth of directives to enhance the functionality of components and templates. Some of the most commonly used directives are listed below:

Basic directives

• v-model:Bind component data to HTML input element.
• v-if: Show or hide elements based on conditions.
• v-for: Traverse an array or object and create duplicate elements.
• v-on: Listen to events and call methods.
• v-bind: Dynamic binding attribute value.

Modifiers

Directives can be used with modifiers to modify their behavior. For example:

• .lazy: Delay event processing.
• .prevent: Default behavior for preventing events.
• .capture: Capture capture phase events.
• .once: The event is only triggered once.

Conditional rendering directives

These directives render elements based on conditions:

• v-if: If the condition is true, render the element.
• v-else: Renders the element if the v-if condition is false.
• v-else-if: Renders the element if both v-if and the preceding v-else-if condition are false.

Loop instructions

These instructions are used to iterate through the data and create repeating elements:

• v-for: Loop through an array or object and create duplicate elements.
• v-for-in: Traverse the enumerable properties of an object and create repeating elements.

Event handling instructions

These instructions are used to listen for events and call methods:

• v-on: Listen to events and call methods.
• v-on.click: Method called when the element is clicked.
• v-on.keyup: Method called when the user releases a keyboard key.

Attribute binding instructions

These instructions are used to dynamically bind attribute values:

• v-bind : Dynamic binding attribute value.
• v-bind:class：Dynamic binding CSS class.
• v-bind:style：Dynamic binding CSS style.

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