Learn how to create reusable and scalable form validation for Signup and login pages in Vue JS 3 Using Composition API. Learn how to implement client-side form validation functionality in Vue js 3 Composition API for the sign-up and login pages
Learn how to create reusable and scalable form validation for Signup and login pages in Vue JS 3 Using Composition API
Want to learn how to implement client-side form validation functionality in Vue js 3 Composition API for the sign-up and login pages?
Then, you’ve come to the right place!
Before going any further, let’s take a look at what you’re going to learn in this Vue JS 3 Composition API tutorial.
As you can see from the final output below, all of the input fields in the sign-up form have empty check validation as well as additional validation such as email, min length etc on keyup and blur events.
When all the input fields are filled with no errors, the submit button is enabled, otherwise it is disabled.
Along the way, you’re going to learn how to create reusable and scalable code for form validation that you can use throughout your web app.
Sound interesting? Let’s get started!
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Learn how to use this.$emit, this.$attrs and more in the new Composition API, where you have no this instance in your Vue.js Components. However, that's not all. What happens with all instance properties we used to have, such as this.$emit, this.$slots, this.$attrs and so? They were on the this component instance, but there is no this in Composition API.