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Start your free trialCory Wallace
14,106 PointsProblem getting colors array to load from PUG
I'm following along, trying to create the colors array using pug in express. I have the following code in App.js:
const express = require('express');
const app = express();
const colors = [ 'red', 'orange', 'yellow', 'green', 'blue', 'purple' ];
app.set('view engine', 'pug');
app.get('/', (req, res) =>{ res.render('index'); });
app.get('/cards', (req, res) =>{ res.render('card', {prompt:"Who is buried in Grant's Tomb?", hint: "Think about whose Tomb it is"}); });
app.listen(3000, () => { console.log('the application is running on localhost 3000'); });
and then in my card.pug, I have the following:
doctype html htl(lang="eng") head title Flash cards body header h1 Flash cards section#content ul each color in colors li= color
h2= prompt
if hint
p
i Hint: #{hint}
footer
p An app to help you Study.
I am getting the following error message:
TypeError: C:\Users\Cory\desktop\Code Louisville\flashcards\views\card.pug:10 8| section#content
9| ul
10| each color in colors
11| li= color
12|
13| h2= prompt
Cannot read property 'length' of undefined at eval (eval at wrap (C:\Users\Cory\desktop\Code Louisville\flashcards\node_modules\pug-runtime\wrap.js:6:10), <anonymous>:29:32) at eval (eval at wrap (C:\Users\Cory\desktop\Code Louisville\flashcards\node_modules\pug-runtime\wrap.js:6:10), <anonymous>:48:4) at template (eval at wrap (C:\Users\Cory\desktop\Code Louisville\flashcards\node_modules\pug-runtime\wrap.js:6:10), <anonymous>:72:139) at Object.exports.renderFile (C:\Users\Cory\desktop\Code Louisville\flashcards\node_modules\pug\lib\index.js:428:38) at Object.exports.renderFile (C:\Users\Cory\desktop\Code Louisville\flashcards\node_modules\pug\lib\index.js:418:21) at View.exports.__express [as engine] (C:\Users\Cory\desktop\Code Louisville\flashcards\node_modules\pug\lib\index.js:465:11) at View.render (C:\Users\Cory\desktop\Code Louisville\flashcards\node_modules\express\lib\view.js:135:8) at tryRender (C:\Users\Cory\desktop\Code Louisville\flashcards\node_modules\express\lib\application.js:640:10) at Function.render (C:\Users\Cory\desktop\Code Louisville\flashcards\node_modules\express\lib\application.js:592:3) at ServerResponse.render (C:\Users\Cory\desktop\Code Louisville\flashcards\node_modules\express\lib\response.js:1008:7)
Can someone please help? I've checked over my syntax and can't find the error. I've even checked PUG's documentation, as I recently ran across an issue where chalkers Node.js courses were full iterations behind.
2 Answers
Cory Wallace
14,106 PointsI figured it out. I didn't see where Chalkers advises you to add the "colors" array to the app.get route that creates the cards page:
app.get('/cards', (req, res) =>{ res.render('card', {prompt:"Who is buried in Grant's Tomb?", colors, hint: "Think about whose Tomb it is"}); });
Patty Johnson
26,560 PointsI didn't either...
Brian Patterson
19,588 PointsBrian Patterson
19,588 PointsNor did I. He must have done it in a flash!
Ryan Doran
7,815 PointsRyan Doran
7,815 PointsIt's at 3:17 on the video.