By closing this banner, scrolling this page, clicking a link or continuing to browse otherwise, you agree to our Privacy Policy, New Year Offer - Vue JS Training (1 Courses, 3 Project) Learn More, 1 Online Courses | 3 Hands-on Project | 12+ Hours | Verifiable Certificate of Completion | Lifetime Access, Node JS Training Program (3 Courses, 7 Projects), JavaScript Training Program (39 Courses, 23 Projects, 4 Quizzes), Software Development Course - All in One Bundle. Related Articles. So, we a user clicks the button, this variable changes the Boolean value true to false. }); Explanation: The above code with v-directive checks if the subject pass property contains a score greater than 50. During False Display the

tag content is not displayed. In this tutorial, we’ll look at the different ways to apply transitions in both Vue.js and Nuxt.js applications. Let’s build on the code snippet shown in step 1. }); The output shows as the condition is true. text-align: center; Vue Snippets – Conditional Style Binding. To create a class binding using the object syntax, you have to use a JavaScript expression. This may be useful when you want to, for example, programmatically focus this input on component mount: For example, imagine your view has a pager. 6. The if-condition is used in cases where the form element needs to show an error when the user has no input in … Here let’s see how the If statement works in Vue.js. Or - you can do a conditional redirect inside the global before hook or in the canActivate hook using transition.redirect(path) 3 yyx990803 closed this Aug 15, 2015 Starting off with the Vue.js Hello World application, we can add data that can then be repeated using v-for. The style of the item is conditionally set, based on the current page that’s being viewed. y: false As shown in the snippet above, the active class is only used in the third list item element. Otherwise, you can find me on Twitter @chadcampbell. How can we toggle this behaviour and make it conditional? In the code for this article, this class is defined in the Bootstrap CSS framework. const app = new Vue ({ }); Here Vue doesn’t allow to display ‘Tutorials-Vue’ because Line 2 statement is rendered false. Notably, these are the names of the two CSS classes discussed in Step 1. In addition, the v-bind:class directive can also co-exist with the plain class attribute.

Returns true

. Falsy: Why should I use !!! This Condition rendering displays the output when the condition checked is true-if directive adds or delete DOM elements depending on the expression. Here data Specifies either a condition or single parameter data This empowers us to conditionally apply the active class based on the value of currentPage. , var app = new Vue({

The updated Vue initialization code with these properties looks like this: As you can see, the data object has grown in size, but the code in the template is slightly cleaner when using the Array syntax. Note that v-show doesn’t support the