Rest Operator
A Rest operator can be used in a function in which we are not sure about number of variables that have to be passed.
To make a parameter as a Rest parameter add three periods (...) before the parameter name.
As an example, we can create a function that can accept any number of parameters and find the sum of all the parameters.
import { LightningElement, track } from 'lwc';
export...
Tuesday, 28 July 2020
Saturday, 14 March 2020
Create HTML elements in a Lightning Flow
Flows are the most powerful point and click automation tool available on the Salesforce Platform. They can be used to perform actions in the Salesforce org or external systems. There are two types of flows:
1. Auto-launched flows
2. Screen flows
In this post we are going to discuss the latter. Screen...
Thursday, 14 November 2019
Two way data binding in LWC
One of the most commonly used feature when developing aura components was two way data binding. All the fields displayed on a screen were related to a single JSON object and that JSON object was later used in a DML operation in an Apex class.
The code for above functionality is:
<aura:component...
Sunday, 29 September 2019
ES6 features in Lightning Web Components Part 2 - Arrow and Higher Order Functions
In the second part of this series we will discuss about the Arrow functions. They were introduced in ES6 to allows us to write shorter function syntax.
Consider the below given function:
const myFunc = function() {
const myVar = "returnValue";
return myVar;
}
Instead of the above syntax we can use ES6 syntax as:
const myFunc = () => {
const myVar = "returnValue";
return myVar;
}
The arrow...
Monday, 2 September 2019
ES6 features in Lightning Web Components Part 1 - Variable Declarations
In December last year Salesforce announced to the world Lightning Web Components(LWC), a programming model that would make it easy for millions of JavaScript developers worldwide to code on the Lightning Platform. One of the main advantages of using LWC is the support of ES6+ that would provide support for JavaScript features like classes, modules and import.
Like any excited developer...