HTML
<template>
<lightning-record-edit-form object-api-name="Contact" onsuccess={handleSuccess}>
<lightning-messages></lightning-messages>
<div class="slds-m-around_medium">
<lightning-input-field field-name='Id' value={contactId}></lightning-input-field>
<lightning-input-field field-name='LastName'></lightning-input-field>
<lightning-input-field field-name='FirstName'></lightning-input-field>
<lightning-input-field field-name='Email'></lightning-input-field>
<lightning-input-field field-name='AccountId'></lightning-input-field>
<div class="slds-m-top_medium">
<lightning-button variant="brand" type="submit" name="save" label="Create Contact">
</lightning-button>
</div>
</div>
</lightning-record-edit-form>
JS
import {
LightningElement,
api,track
} from 'lwc';
export default class app extends LightningElement {
@track contactId;
handleSuccess(event) {
this.contactId = event.detail.id;
}
}
Am getting following error when i ran the above code in Salesforce Play Ground. Since am new to salesforce, Can some one help me on this. Thank you