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This article mainly introduces the relevant knowledge of how vue monitors variables, the content is detailed and easy to understand, the operation is simple and fast, and it has a certain reference value. I believe you will gain something after reading this vue article on how to monitor variables. Let's take a look at it.

The specific steps are as follows:

1. First, create a new html project and introduce vue into the project

Import Vue from 'vue'

two。 After introducing vue, define a listening object in the project

Data: {

A: 1

B: 2

C: 3

D: 4

E: {

F: {

G: 5

}

}

}

3. Finally, after the listening object is defined, you can use the watch method to listen for variables in the object.

1) listen for variables

Watch: {

Bet (newValue, oldValue) {

Console.log (newValue)

}

}

2) listen to an object

Watch: {

'bet.text': function (val, oldVal) {}

}

Related extensions:

1) use the service method to listen on the entire object

ServiceList: {

Handler () {

Console.log (this.serviceList)

}

Deep:true

Immediate: true

}

This is the end of the article on "how to listen for variables in vue". Thank you for reading! I believe you all have a certain understanding of the knowledge of "how to monitor variables in vue". If you want to learn more, you are welcome to follow the industry information channel.

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