There are two main ways to pass parameters to Vue.js functions: pass data using slots or bind functions using bind, and provide parameters: pass parameters using slots: pass data in component templates, accessed within components and used as parameters of functions. Pass parameters using bind binding: bind function in Vue.js instance and provide function parameters.
Passing parameters of function in Vue.js
How to pass parameters to a function in Vue.js
In Vue.js, there are two main ways to pass parameters to a function:
- Use slot : Slot allows you to pass data in the HTML template of the component. Within the component, you can access the data passed by the slot and use it as a parameter to the function.
- Use bind binding : bind allows you to bind functions in Vue.js instances. During binding, you can provide the parameters of the function.
Pass parameters using slots
<code class="html"><!-- 父组件--> <template> <my-component> <!-- 向my-component 组件传递参数--> <param>{{ message }} </my-component> </template> <!-- 子组件--> <template> <div> <!-- 接收父组件传递的参数--> <p>{{ slot }}</p> </div> </template> <script> export default { props: ['slot'] } </script></code>
Pass parameters using bind binding
<code class="html"><!-- 父组件--> <template> <my-component :click="greet('Alice')"></my-component> </template> <!-- 子组件--> <template> <div> <button> Greet </button> </div> </template> <script> export default { methods: { greetUser() { this.$emit('greet', this.username); } } } </script></code>
In the example above, the parent component uses :click
binding to pass a function with parameters to the child component. The child component calls the function using the @click
event listener and takes the passed argument as an argument.
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