Lesson: 14 | Functions

HTML

<template>
    <lightning-card>
        The sum of the numbers {a} and {b} is {sum}.
    </lightning-card>
    
</template>

Java Script

import { LightningElement } from 'lwc';

export default class FunctionExample extends LightningElement {

  sum;

  a=12;
  b=18;

    addNumbers(a, b) {
    return a + b;
  }

  renderedCallback(){

    this.sum = this.addNumbers(this.a,this.b);
  }

}

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Lesson: 14 | Functions

HTML