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LWC Change Message

Requirement :



Create a LWC that show a message in the center of the component on the basis of any one of the 3 button clicked. Initially, when the component loads, the message in the center of the component should say: "How's the weather Today ?". There will be 3 buttons with these properties below the message:

a) Btn 1- Color- Red, Label- Hot- On click changes the message to: "Its Hot !"
b) Btn 2- Color- Blue, Label- Cool- On Click changes the message to: "Its Cool"
c) Btn 3- Color- Green, Label- Hazy- On Click changes the message to:"Not Very
clear"

or in other words

Change message on button clicked.

cmpChangeMessage.html

<template>
    <center>
        <lightning-card title="Change Message on button click">            
                <lightning-badge label={message}></lightning-badge>            
            <br><br>
            <lightning-button 
                variant="destructive"
                label="Hot" 
                onclick={hotbutton}>
            </lightning-button>
            &nbsp;&nbsp;               
            <lightning-button 
                variant="brand"
                label="Cool" 
                onclick={coolbutton}>
            </lightning-button>
            &nbsp;&nbsp;
            <lightning-button 
                variant="success"
                label="Hazy" 
                onclick={clearbutton}>
            </lightning-button>
        </lightning-card>
    </center>
</template>

cmpChangeMessage.js

import { LightningElementtrack } from 'lwc';
export default class cmpChangeMessage extends LightningElement {
    @track message = 'How \'s the weather Today ?';
    hotbutton(){
        this.message = 'Its Hot !';
    }
    coolbutton(){
        this.message = 'Its Cool !';
    }
    clearbutton(){
        this.message = 'Not very clear !';
    }
}

cmpChangeMessage.js-meta.xml

<?xml version="1.0" encoding="UTF-8"?>
<LightningComponentBundle xmlns="http://soap.sforce.com/2006/04/metadata">
    <apiVersion>48.0</apiVersion>
    <isExposed>true</isExposed>
    <targets>
        <target>lightning__AppPage</target>
        <target>lightning__RecordPage</target>
        <target>lightning__HomePage</target>
        <target>lightning__Tab</target>
      </targets>
</LightningComponentBundle>

Output :

Other Useful Blog

Lightning Component

Happy Learning !!


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