import { LightningElement,api,track} from 'lwc'; export default class aaaIWCTest extends LightningElement { @track percentage; @api get formatedPercentage() { return this.percentage; } set formatedPercentage(value){ if(isNaN(value)||value==''){ this.percentage=0; }else{ const integerValue = parseInt(value); if(integerValue < 0) { this.percentage = 0; } else if(integerValue > 100) { this.percentage = 100; } else { this.percentage = integerValue; } } } }