All Questions
Tagged with trailhead lightning-aura-components
33 questions
0
votes
1
answer
111
views
Expenses record not saving to org - From "Aura Components Basics" trailhead
I'm working through the Aura Components Basics trailhead modules and am struggling a bit to get the example expenses.cmp component working correctly. This is code that I have taken straight from the ...
2
votes
2
answers
293
views
Clarifying Refactor Lesson
To be very clear, this is not looking for a solution to a trailhead but the code does come from the lesson walk through where the writer does not give an explanation of why his refactor works.
The ...
- 1,482
0
votes
1
answer
505
views
Is there a reason why Aura Components are still a requirement for the Advanced Apex Superbadge still worth learning? [closed]
I know this has been asked before Is it worth learning Aura Components? , but I would like an answer for 2020.
I have been looking at the Advanced Apex Superbadge requirements, and Aura Components ...
- 285
0
votes
1
answer
6k
views
What am I doing wrong with this "create an Aura Component" trailblazer tutorial?
I am playing around with this trailblazer tutorial:
https://trailhead.salesforce.com/en/content/learn/projects/quickstart-lightning-components/quickstart-lightning-components3
but when I try to save ...
- 599
1
vote
1
answer
229
views
Einstein Dataset Creation issue - Invalid File Format
I am trying to create a dataset and train as per the below trailhead topic(https://trailhead.salesforce.com/content/learn/projects/build-a-cat-rescue-app-that-recognizes-cat-breeds/cat-recognition-app-...
- 2,083
0
votes
1
answer
1k
views
Creating a Lightning component - Getting the error - API Name undefined is invalid
I am doing the following module in Trailhead-
Build a Conference Management App > Create a Lightning component
I am getting the error - API Name undefined is invalid, did you mean "Speaker__c?"
I ...
- 45
2
votes
4
answers
3k
views
on trailhead facing issue Error: Faraday::ClientError. Message
On this trailhead ( https://trailhead.salesforce.com/content/learn/projects/quickstart-lightning-components/quickstart-lightning-components3 ). when i click on the verify button it's throwing error
...
- 1,376
0
votes
1
answer
4k
views
Lightning Experience Rollout Specialist Challenge 10
Need some help with one of the superbadges.
I've been trying to complete the LEX Rollout Specialist (https://trailhead.salesforce.com/en/superbadges/superbadge_lex_rollout) but I keep getting the ...
- 314
-1
votes
1
answer
4k
views
force:recordData not updating targetFields on reloadRecord
Working on the lightning component framework specialist superbadge, stage 6, and getting the following error:
The BoatDetails component must use force:recordData to load the appropriate list of ...
- 388
-1
votes
1
answer
1k
views
Delete button not working in Lightning component
I am working on Trailhead module "Build the AccountList Component" https://trailhead.salesforce.com/en/projects/slds-lightning-components-workshop/steps/slds-lc-4
When I click on Delete button, it is ...
- 767
0
votes
0
answers
281
views
Handle Actions with Controllers - Defaults not displaying
I am currently completing the 'Handle Actions with Controllers' Trailhead course.
I have been able to pass the module but what I cannot do is actually make the values display when I Preview the App.
...
- 43
1
vote
1
answer
3k
views
Data input forms on lightning component basics Trail
I'm stuck... I have been trying to get to the bottom of this for a while now and assuming that trailhead is just super finicky about checking this one.. My component is working, but i'm getting this ...
- 549
3
votes
5
answers
9k
views
Styling Issues - Lightning Component Framework Specialist Superbage
I'm going through the Lightning Component Framework Specialist Superbage. I am on step 3 of the challenge (the elaboration about which is under the Populate the Search Results subtitle on the ...
- 163
1
vote
2
answers
6k
views
Understanding error: [Value number out of range for numberformat options property style]
I'm working through a Trailhead tutorial, and I am getting an error that confuses me.
I've reduced it here to the minimum code I can for reproducing the error, and I'm hoping someone can explain to ...
- 473
0
votes
0
answers
583
views
Whats missing in Adding Component to Page Layout
I am stuck in
Lightning Data Service Basics
Manipulate Records with force:recordData
I have added it like this
I can see both components in home page screen
- 747
1
vote
1
answer
11k
views
Lightning Components : Input Data Using Forms Trailhead
I've got this error:
Challenge Not yet complete... here's what's wrong:
The campingList component doesn't appear to have a Quantity input field in the form using a Lightning Base component.
...
- 173
1
vote
1
answer
9k
views
Handle Actions with Controllers Challenge [closed]
I'm Having some trouble with this unit. My code is as below and the problem is that I get an error when I click on the Checkbox:
This page has an error. You might just need to refresh it.
Error ...
- 368
2
votes
1
answer
13k
views
Trailhead error: The campingList component isn't defining a handler correctly to listen for the addItemEvent event
Below is the error I got when I try to complete the trailhead challenge. I have tested it works, but not sure why trailhead will prompt such error.
Challenge Not yet complete... here's what's wrong:...
- 315
3
votes
0
answers
2k
views
Help with Trailhead - Lightning Component Basics - Attributes & Expressions [duplicate]
Has anyone had any success completing the Lightning Component Basics - Attributes & Expressions module? I attempted the challenge using the Trailhead playground. And think what I did is correct. ...
- 39
0
votes
1
answer
9k
views
Action failed: c:exspenses$controller$clickCreateExpense [action.setCallBack is not a function]
I ran into this error when trying to Preview my Application from the Developer Console. When I click the "CreateExpense" button after entering in data into the fields (I might have spelled Expenses ...
0
votes
1
answer
495
views
Stuck in trailhead - Quick Start: Lightning Components
I am not able to display name of the contacts. It gives me a blank list. Here is my code:
<ul>
<aura:iteration items="{!v.contacts}" var="contact1" >
<li class="minli">&...
- 453
5
votes
2
answers
15k
views
Lightning Data Service Trailhead Challenge Error (Manipulate Records with force:recordData)
Can some one explain me how to use two separate components with Lightning Data Service, i tried the following code for accDisplay and accEdit for this challenge . My code worked as i expected but i ...
- 355
0
votes
1
answer
2k
views
Trailhead challenge error secure lightning javascript code
In this challenge I have to use securefilter library and securely encode the date.
I have made the changes as follows-
<aura:component controller="LTNG_Creatures_Controller" access="global" ...
- 565
0
votes
1
answer
408
views
Restaurant Locator Trailhead Project Lightning Error
I am new to Lightning Components. When i try to finish a trailhead challenge called Build a Restaurant component Bascially it show Restaurants near to opportunity billing address and in controller ...
- 1,410
1
vote
0
answers
3k
views
Error on the Challenge: Save and Load Records with a Server-Side Controller [duplicate]
Error message:
Challenge Not yet complete... here's what's wrong:
The campingList JavaScript controller doesn't have a 'doInit' function or doesn't call the Apex controller to get items from the ...
2
votes
2
answers
12k
views
Stuck on Trailhead 'Connect Components with Events' Challenge
I'm facing an issue with this Trailhead module - I'm getting the following error message & I really can't see why:
Challenge Not yet complete... here's what's wrong:
The ...
- 4,217
2
votes
1
answer
13k
views
The campingList JavaScript controller isn't setting the 'item' as a parameter or saving the record correctly
I have been through several posts on workarounds to this issue where the code works, but the challenge is not passed, none of the proposed solutions seem to work for me:
https://d2hwpln2xvs3s....
- 20.3k
3
votes
1
answer
2k
views
Unable to display custom object list attribute returned from client side controller
I am hung up on the hands-on challenge for the Lightning Component Basics > Input Data Using Forms section on Trailhead. I have a form with input controls for name, quantity, price, and isPacked ...
- 155
2
votes
0
answers
158
views
Using tab navigation causes function to fire multiple times in Lightning
I added the Build an Account Geolocation App Trailhead components to my home page in a Winter 17 org. I was getting an error with the leaflet map creation in the jsLoaded function so I moved the map ...
- 95
1
vote
1
answer
7k
views
Unable to display CampingListItem component
I'm a bit lost on how to troubleshoot this issue. I've completed the Attributes and Expressions trailhead, ie passed the challenged however I'm unable to display the component, campingListItem, in my ...
- 661
1
vote
2
answers
547
views
Trailhead question about why value for outputNumber isn't updating as they request?
Developer Intermediate > Lightning Components > Using JavaScript Controllers With Components
The error that Trailhead is giving me is that "Challenge Not yet complete... here's what's wrong: The ...
- 213
2
votes
1
answer
875
views
Unable to create `aura:handler` tag in lightning in trailhead component module
In this for each example , I am trying to create a handler after successful creation of event and registering that event, But while referencing aura:handler tag,
I am getting this error :
Failed ...
- 700
8
votes
1
answer
3k
views
Can't set lightning component controller
I am following the Trailhead "Create a Lightning Component" tutorial and I have reached the part where I have build the controller (Apex) and I am attempting to set the aura:component controller.
My ...
- 1,204