Validation rule for component in Salesforce Lightning
Sample Code: Component: <aura:component > <ui:inputNumber label="Contract No " aura:Id="contractNo" blur="{!c.validateContractNo}"/> </aura:component> Controller: ({ validateContractNo : function(component, event, helper) { var inputCmp = component.find("contractNo"); var value = inputCmp.get("v.value"); ....