September 20, 2023

• use to pass data specified in custom attributes on HTML elements and get it in JavaScript to perform some logic.

<lightning-input type="text" value={someValue} data-name={itemName} 
      data-id={index} data-title={itemTitle} 
      onchange={handleChange} />

let rowIndex = event.currentTarget.dataset.id; 
let orderName = event.currentTarget.dataset.name; 
let orderTitle = event.currentTarget.dataset.title;

Promise in LWC

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