defineProps console.log
时间: 2023-09-27 16:09:51 浏览: 122
`defineProps` and `console.log` are two separate concepts in JavaScript.
1. `defineProps`: In Vue.js, `defineProps` is a function that allows you to define props for a component. Props are properties that can be passed to a component from its parent component. By using `defineProps`, you can specify the props that your component expects to receive, along with their type, default value, and other options.
Here's an example of using `defineProps` in a Vue.js component:
```javascript
import { defineProps } from 'vue';
export default {
props: {
message: String,
count: {
type: Number,
default: 0
}
},
setup(props) {
// Accessing the props
console.log(props.message);
console.log(props.count);
}
}
```
2. `console.log`: `console.log` is a method provided by the console object in JavaScript. It is used for logging messages or values to the browser's console for debugging purposes. It takes one or more arguments and displays them as a log message.
Here's an example of using `console.log`:
```javascript
let message = "Hello, world!";
let count = 10;
console.log(message);
console.log(count);
```
When you run this code in a browser's console, it will log the values of `message` and `count` to the console output.
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