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This commit is contained in:
Philippe Torrel
2026-09-25 09:23:21 +02:00
parent 3f796ed282
commit 10a2db696a
3 changed files with 101 additions and 53 deletions
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02_advanced/unterricht/tag14/02_promise-all/index.js
+4
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@@ -14,6 +14,10 @@ const getFileBy = (path = '', encoding = 'utf-8') => {
Promise.all([
getFileBy('data/file-01.txt'),
getFileBy('data/file-02.txt'),
// (() =>
// new Promise((resolve, reject) => {
// return reject(new Error('something went wrong'));
// }))(),
getFileBy('data/file-03.txt'),
getFileBy('data/file-04.txt'),
getFileBy('data/file-05.txt'),
02_advanced/unterricht/tag14/04_mehrdim-array/index.html
+96 -52
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@@ -22,6 +22,10 @@
['Clara', 76, 95, 89],
];
console.log(gradesTable[0][2]); //=> 'English'
console.log(gradesTable[1][0]); //=> 'Anna'
console.log(gradesTable[1][2]); //=> 92
console.log(gradesTable[3][2]); // => 95
console.log(['Clara', 76, 95, 89][2]); // => 95
console.log(gradesTable[1][3]); // => 78
@@ -40,59 +44,98 @@
gradesTable.push(['Benjamin', 99, 90, 75]);
// TODO: optionale Übung: gradeTable in gradesObject über eigene Funktion parseToObj() umwandeln. Tipp: map. Beispiel 02_csv-to-obj.html aus Tag 12
const gradesTableObj = [
{
name: 'Anna',
scores: [
{
name: 'Mathematics',
score: 85,
},
{
name: 'English',
score: 92,
},
{
name: 'Biology',
score: 78,
},
],
},
{
name: 'Ben',
scores: [
{
name: 'Mathematics',
score: 76,
},
{
name: 'English',
score: 95,
},
{
name: 'Biology',
score: 89,
},
],
},
{
name: 'Clara',
scores: [
{
name: 'Mathematics',
score: 85,
},
{
name: 'English',
score: 92,
},
{
name: 'Biology',
score: 78,
},
],
},
/*
[
['Name', 'Mathematics', 'English', 'Biology'],
['Anna', 85, 92, 78],
['Ben', 90, 88, 84],
['Clara', 76, 95, 89],
];
*/
const parseToObj = (arr) => {
let returnTable = [];
console.log(arr);
// Students Array
for (let studentIdx = 1; studentIdx < arr.length; studentIdx++) {
let obj = {
name: arr[studentIdx][0],
scores: [],
};
// scores Array
for (let classIdx = 1; classIdx < arr[0].length; classIdx++) {
let classObj = {};
classObj.name = arr[0][classIdx];
classObj.score = arr[studentIdx][classIdx];
obj.scores.push(classObj);
}
returnTable.push(obj);
}
return returnTable;
};
const gradesTableObj = parseToObj(gradesTable);
// const gradesTableObj = [
// {
// name: 'Anna',
// scores: [
// {
// name: 'Mathematics',
// score: 85,
// },
// {
// name: 'English',
// score: 92,
// },
// {
// name: 'Biology',
// score: 78,
// },
// ],
// },
// {
// name: 'Ben',
// scores: [
// {
// name: 'Mathematics',
// score: 76,
// },
// {
// name: 'English',
// score: 95,
// },
// {
// name: 'Biology',
// score: 89,
// },
// ],
// },
// {
// name: 'Clara',
// scores: [
// {
// name: 'Mathematics',
// score: 85,
// },
// {
// name: 'English',
// score: 92,
// },
// {
// name: 'Biology',
// score: 78,
// },
// ],
// },
// ];
console.log(JSON.stringify(gradesTableObj, null, 2));
@@ -140,6 +183,7 @@
console.log(inventory[1][1][2]); // => 30
console.log(inventory[2][0][1]); // => 'Milk'
console.log(inventory[3][0][1]); // => 'GTA6'
const inventoryObj = {
floors: [
02_advanced/unterricht/tag14/06_chess-move/index.html
+1 -1
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@@ -61,7 +61,7 @@
const letterToChessIndex = (letter) => 'abcdefgh'.indexOf(letter);
// => 'e' -> 4 <- Array Spalte (x)
const numberToChessIndex = (num) => 8 - num; // => '2' -> 6 <- Array Zeile (y)
const numberToChessIndex = (num) => 8 - Number(num); // => '2' -> 6 <- Array Zeile (y)
const fieldToXPosition = (field) => letterToChessIndex(field.charAt(0));
// => 'e2' -> 'e' -> letterToChessIndex('e') -> 4