if and else condition in lwc -- w3web.net

How do you use template if:true and template if:false condition to display content in lightning web component – LWC | how to use if and else condition in lwc

Hey guys, today in this post we are going to learn about How do you use template if:true and template if:false condition to display content in lightning web component – LWC.

Files we used in this post example

lwcIfElseCondition.html Lightning Web Component HTML Template HTML file for used to write HTML element for user interface.
lwcIfElseCondition.js Lightning Web Component JavaScript It is holding onclick functionality for display the content as conditionally.
lwcIfElseCondition.js-meta.xml XML Meta File It is used for where this lightning web component you want to exposed.
lwcApp.app Lightning Application File It is used for call the component and preview on browser..

Live Demo

if and else condition in lwc -- w3web.net

Other related post that would you like to learn in LWC

Step 1:- Create Lightning Web Component : lwcIfElseCondition.html

SFDX:Lightning Web Component >> New >> lwcIfElseCondition.html

lwcIfElseCondition.html [Lightning Web Component HTML]

Step 2:- Create Lightning Web Component : lwcIfElseCondition.js

SFDX:Lightning Web Component >> New >> lwcIfElseCondition.js

lwcIfElseCondition.js [LWC JavaScript File]

Step 3:- Create Lightning Web Component : lwcIfElseCondition.js-meta.xml

SFDX:Lightning Web Component >> New >> lwcIfElseCondition.js-meta.xml

lwcIfElseCondition.js-meta.xml [LWC Meta Data XML]

Start Lightning Application

Step 4:- Create Lightning Application : lwcApp.app

From Developer Console >> File >> New >> Lightning Application

lwcApp.app [Component Application File]

if and else condition in lwc -- w3web.net

Further post that would you like to learn in LWC

 

FAQ (Frequently Asked Questions)

How do you know if a condition is true in LWC?

To render HTML conditionally in LWC we have if:true|false directive like we used 'aura:if' in aura components. For conditional rendering we just need to add the if:true|false directive to a nested 'template' tag that encloses the conditional content.

What is if true in LWC?

template if:true in LWC is used for Conditional Rendering to display markup or DOM elements dynamically if true value is provided. template if:false works in the same way but with the false value.

How can you display components HTML conditionally?

To render HTML conditionally, add the if:true|false directive to a nested tag that encloses the conditional content. Tip Directives are special HTML attributes. The Lightning Web Components programming model has a few custom directives that let you manipulate the DOM using markup.

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