Activity Forums Salesforce® Discussions What is the use of !$A.util.isUndefined() in Salesforce Lightning Component? Reply To: What is the use of !$A.util.isUndefined() in Salesforce Lightning Component?

  • Aditya

    Member
    September 12, 2020 at 8:11 pm

    <samp>component.get(String key)</samp> and <samp>component.set(String key, Object value)</samp> retrieves and assigns values associated with the specified key on the component. Keys are passed in as an expression, which represents an attribute value.