60 Salesforce Lightning Developer Interview Questions & Answers

01_60_Salesforce_Lightning_Developer_Interview_Questions_And_Answers

60 Salesforce Lightning Developer Interview Questions & Answers

02_Attributes.java

<aura:attribute name="firstName" type="String”/>

03_Value_Provide.java

<aura:attribute name="firstName" type="String”/>

04_Javascript_Controller_Action.java

In the component markup: <lightning:button label="SUBMIT" onclick="{!c.doSubmit}"/>
 
In the controller:
 
({
 
doSubmit:function(component, event, helper) {
 
// Some operations.
 
}
 
)}

05_Change_In_An_Attribute_Value.java

<aura:handler name="change"value="{!v.&lt;strong&gt;attributeNameWhereValueChangeOccured&lt;/strong&gt;}"action="{!c.doinit}"/&amp;>

06_Component_Load.java

<aura:handler  name="init" value="{!this}" action="{!c.doInitialization}"/

07_ParentComponent.cmp

<aura:component>
<c:ChildComp aura:id="ChildCompId"/>
</aura:component>

08_InsideParentComponentController.js

var childCompId=component.find("ChildCompId");
var res=childComponent.chilCompMethod("From parent");

09_InsideChildComponent.cmp

<aura:component>
<aura:method name="chilCompMethod" action="{!c.doAction}">
    <aura:attribute name="receiveValueFromParent" type="String"/>
</aura:method>
</aura:component>

10_InsideChildComponentController.js

({
doAction:function(component, event, helper){
 var params=event.getParam('arguments');
        if(params)
      {
           var param1=params.receiveValueFromParent;}
       return param1+"Appended child value";}
)}

11_Parentcomp.cmp

<aura:component>
 
<c:ChildComp childAttributeName="{!v.parentAttributeName}">
 
</aura:component>

12_Parentcomp.cmp

<aura:component&gt>
 
<c:ChildComp childAttributeName="{#v.parentAttributeName}">;
 
</aura:component>

13_Lightning:navigation

{
"type": "standard__component",
"attributes": {
"componentName": "c__MyLightningComponent 
},
"state": {
"myAttr": "attrValue"
}
}

3_Value_Provide.java

<aura:attribute name="firstName" type="String"/>