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This is the situation of the console in the imported js
This is the case in elements
nav has not changed either.How is this going?
I don’t see where the problem is. When asking questions, first clarify your thoughts and expose the problem points.
Answer questions
Can’t js be introduced into the vue project to control the class of elements?
It is possible to introduce tools such as jQuery to operate the dom
In fact, it is very convenient to deal with such problems in VueJS, here is an example.
View online https://jsfiddle.net/wqbtt12c/
The specific code is as follows:
点我
const classPool = ['red', 'blue', 'yellow']; new Vue({ el: '#app', data() { return { classStr: 'red' } }, methods: { changeClass() { this.classStr = classPool[Math.ceil(Math.random()*3.0) - 1]; } } });
#app > p { width: 100px; height: 100px; line-height: 100px; text-align: center; } .red { background: red; } .blue { background: blue; } .yellow { background: yellow; }
In the vue project, the operation must be mounted after the element to be operated is mounted. I fainted.
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
I don’t see where the problem is. When asking questions, first clarify your thoughts and expose the problem points.
Answer questions
It is possible to introduce tools such as jQuery to operate the dom
In fact, it is very convenient to deal with such problems in VueJS, here is an example.
View online https://jsfiddle.net/wqbtt12c/
The specific code is as follows:
In the vue project, the operation must be mounted after the element to be operated is mounted. I fainted.