import { LightningElement, track, wire,api } from 'lwc'; import NAME_FIELD from '@salesforce/schema/Account.Name'; import REVENUE_FIELD from '@salesforce/schema/Account.AnnualRevenue'; import INDUSTRY_FIELD from '@salesforce/schema/Account.Industry'; export default class aaaIWCTest5 extends LightningElement { @api name="jone"; @track greeting = 'World'; @track showDetail = false; @track inputValue1=''; handleChange(event) { this.greeting = event.target.value; if(this.greeting.toLocaleLowerCase() === 'xx') { this.showDetail = true; } else { this.showDetail = false; } } handleChangeEvent(event){ this.inputValue1='快叫爹'; if(this.template.querySelector('lightning-input').checkValidity()){ this.template.querySelector('lightning-input').setCustomValidity(''); this.template.querySelector('lightning-input').reportValidity(); } } }