This commit is contained in:
Philippe Torrel
@@ -5,6 +5,7 @@
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<meta name="viewport" content="width=device-width, initial-scale=1.0" />
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<title>Type Error</title>
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<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.8/dist/css/bootstrap.min.css" rel="stylesheet" />
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<script src="04_type-error.js"></script>
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</head>
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<body>
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<main>
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12
06_js-debug/unterricht/tag46/04_error-types/04_type-error.js
Normal file
12
06_js-debug/unterricht/tag46/04_error-types/04_type-error.js
Normal file
@@ -0,0 +1,12 @@
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"use strict";
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{
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function greet(name) {
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console.log('Hello, ' + name);
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}
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function displayCar(car) {
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console.log('Brand: ' + car.brand + ', Model: ' + car.model);
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}
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const myCar = { name: 'Toyota', model: 'Camry' };
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greet(42); // => TypeError: Argument of type 'number' is not assignable to parameter of type 'string'
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displayCar(myCar); // => TypeError: Argument of type '{ name: string; model: string; }' is not assignable to parameter of type 'Car'. Property 'brand' is missing in type '{ name: string; model: string; }' but required in type 'Car'.
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}
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23
06_js-debug/unterricht/tag46/04_error-types/04_type-error.ts
Normal file
23
06_js-debug/unterricht/tag46/04_error-types/04_type-error.ts
Normal file
@@ -0,0 +1,23 @@
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{
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interface Car {
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brand: string;
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model: string;
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}
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function greet(name: string) {
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console.log('Hello, ' + name);
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}
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|
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function displayCar(car: Car) {
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console.log('Brand: ' + car.brand + ', Model: ' + car.model);
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}
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const myCar = { name: 'Toyota', model: 'Camry' };
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// greet(42); // => TypeError: Argument of type 'number' is not assignable to parameter of type 'string'
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greet('11');
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// displayCar(myCar); // => TypeError: Argument of type '{ name: string; model: string; }' is not assignable to parameter of type 'Car'. Property 'brand' is missing in type '{ name: string; model: string; }' but required in type 'Car'.
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displayCar({ brand: 'Honda', model: 'E' });
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}
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390
06_js-debug/unterricht/tag46/04_error-types/package-lock.json
generated
Normal file
390
06_js-debug/unterricht/tag46/04_error-types/package-lock.json
generated
Normal file
@@ -0,0 +1,390 @@
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{
|
||||
"name": "04_error-types",
|
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"version": "1.0.0",
|
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"lockfileVersion": 3,
|
||||
"requires": true,
|
||||
"packages": {
|
||||
"": {
|
||||
"name": "04_error-types",
|
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"version": "1.0.0",
|
||||
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"typescript": "^7.0.2"
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|
||||
"integrity": "sha512-0BQ3HkAHHlKLSp1qRvf3SUhGpGsDuhB/jgFw75guyqbxJqEaS0Cw/VFO8i2nHglJUzQCRtMMR/IBAKE3ETMC4g==",
|
||||
"cpu": [
|
||||
"x64"
|
||||
],
|
||||
"dev": true,
|
||||
"license": "Apache-2.0",
|
||||
"optional": true,
|
||||
"os": [
|
||||
"win32"
|
||||
],
|
||||
"engines": {
|
||||
"node": ">=16.20.0"
|
||||
}
|
||||
},
|
||||
"node_modules/typescript": {
|
||||
"version": "7.0.2",
|
||||
"resolved": "https://registry.npmjs.org/typescript/-/typescript-7.0.2.tgz",
|
||||
"integrity": "sha512-8FYau96o3NKOhbjKi/qNvG/W5jhzxkbdm5sj9AbZ/5T5sWqn3hJgLfGx27sRKZWTvyzCP8dLRBTf5tBTSRVUNA==",
|
||||
"dev": true,
|
||||
"license": "Apache-2.0",
|
||||
"bin": {
|
||||
"tsc": "bin/tsc"
|
||||
},
|
||||
"engines": {
|
||||
"node": ">=16.20.0"
|
||||
},
|
||||
"optionalDependencies": {
|
||||
"@typescript/typescript-aix-ppc64": "7.0.2",
|
||||
"@typescript/typescript-darwin-arm64": "7.0.2",
|
||||
"@typescript/typescript-darwin-x64": "7.0.2",
|
||||
"@typescript/typescript-freebsd-arm64": "7.0.2",
|
||||
"@typescript/typescript-freebsd-x64": "7.0.2",
|
||||
"@typescript/typescript-linux-arm": "7.0.2",
|
||||
"@typescript/typescript-linux-arm64": "7.0.2",
|
||||
"@typescript/typescript-linux-loong64": "7.0.2",
|
||||
"@typescript/typescript-linux-mips64el": "7.0.2",
|
||||
"@typescript/typescript-linux-ppc64": "7.0.2",
|
||||
"@typescript/typescript-linux-riscv64": "7.0.2",
|
||||
"@typescript/typescript-linux-s390x": "7.0.2",
|
||||
"@typescript/typescript-linux-x64": "7.0.2",
|
||||
"@typescript/typescript-netbsd-arm64": "7.0.2",
|
||||
"@typescript/typescript-netbsd-x64": "7.0.2",
|
||||
"@typescript/typescript-openbsd-arm64": "7.0.2",
|
||||
"@typescript/typescript-openbsd-x64": "7.0.2",
|
||||
"@typescript/typescript-sunos-x64": "7.0.2",
|
||||
"@typescript/typescript-win32-arm64": "7.0.2",
|
||||
"@typescript/typescript-win32-x64": "7.0.2"
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
15
06_js-debug/unterricht/tag46/04_error-types/package.json
Normal file
15
06_js-debug/unterricht/tag46/04_error-types/package.json
Normal file
@@ -0,0 +1,15 @@
|
||||
{
|
||||
"name": "04_error-types",
|
||||
"version": "1.0.0",
|
||||
"description": "",
|
||||
"main": "index.js",
|
||||
"scripts": {
|
||||
"test": "echo \"Error: no test specified\" && exit 1",
|
||||
"start": "npx tsc 04_type-error.ts"
|
||||
},
|
||||
"keywords": [],
|
||||
"type": "commonjs",
|
||||
"devDependencies": {
|
||||
"typescript": "^7.0.2"
|
||||
}
|
||||
}
|
||||
135
06_js-debug/unterricht/tag46/05_logical-error/logical-error.html
Normal file
135
06_js-debug/unterricht/tag46/05_logical-error/logical-error.html
Normal file
@@ -0,0 +1,135 @@
|
||||
<!doctype html>
|
||||
<html lang="de">
|
||||
<head>
|
||||
<meta charset="UTF-8" />
|
||||
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
|
||||
<title>Logical Error</title>
|
||||
<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.8/dist/css/bootstrap.min.css" rel="stylesheet" />
|
||||
<script src="https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.21/lodash.min.js"></script>
|
||||
</head>
|
||||
<body>
|
||||
<main>
|
||||
<div class="container py-5">
|
||||
<h1>Logical Error</h1>
|
||||
</div>
|
||||
</main>
|
||||
<script>
|
||||
'use strict';
|
||||
|
||||
{
|
||||
const n = 10;
|
||||
|
||||
// if (n % 2 === 0) {
|
||||
// console.log('odd'); // Annahme vertauscht
|
||||
// } else {
|
||||
// console.log('even');
|
||||
// }
|
||||
|
||||
// const evenNumbers = _.range(11).filter((n) => n % 2);
|
||||
const evenNumbers = _.range(11).filter((n) => n % 2 === 0);
|
||||
|
||||
console.log('evenNumbers:', evenNumbers);
|
||||
|
||||
// [x]: Ist die Jahreszahl ohne Rest durch 4 teilbar, ist es ein Schaltjahr (z.B. 2024).
|
||||
// [x]: Ist die Jahreszahl durch 100 teilbar, ist es kein Schaltjahr (z.B. 1900).
|
||||
// [x]: Ist die Jahreszahl durch 400 teilbar, ist es doch ein Schaltjahr (z.B. 2000).
|
||||
|
||||
// function isLeapYear(year) {
|
||||
// if (year % 4 === 0) {
|
||||
// return true;
|
||||
// } else if (year % 100 === 0) {
|
||||
// return true;
|
||||
// } else if (year % 400 === 0) {
|
||||
// return true;
|
||||
// } else {
|
||||
// return false;
|
||||
// }
|
||||
// }
|
||||
|
||||
const isLeapYear = (year) => {
|
||||
// if ((year % 4 === 0 && year % 100 !== 0) || year % 400 === 0) {
|
||||
// return true;
|
||||
// } else {
|
||||
// return false;
|
||||
// }
|
||||
|
||||
return (!isNaN(year) && year % 4 === 0 && year % 100 !== 0) || year % 400 === 0;
|
||||
};
|
||||
|
||||
// Test cases
|
||||
console.log(isLeapYear(2020)); // => true, Expected output: true (leap year)
|
||||
console.log(isLeapYear(1900)); // => true, Expected output: false (not a leap year)
|
||||
console.log(isLeapYear(2000)); // => true, Expected output: true (leap year)
|
||||
|
||||
// ==========
|
||||
|
||||
// function printCharacters(str) {
|
||||
// console.log(str[1] + str[4] + str[6]);
|
||||
// }
|
||||
|
||||
// function solve(str) {
|
||||
// printCharacters(str);
|
||||
// }
|
||||
|
||||
// solve('Release a new iPhone every year'); // => 'eae', Expected Output: 'Res'
|
||||
|
||||
function printCharacters(str) {
|
||||
console.log(str[0] + str[3] + str[5]);
|
||||
}
|
||||
|
||||
function solve(str) {
|
||||
printCharacters(str);
|
||||
}
|
||||
|
||||
solve('Release a new iPhone every year'); // => 'Res'
|
||||
|
||||
// =============
|
||||
// // Incorrect index example
|
||||
// function findAverageLength(words) {
|
||||
// if (words.length === 0) {
|
||||
// return 0;
|
||||
// }
|
||||
|
||||
// let totalLength = 0;
|
||||
|
||||
// for (let i = 1; i < words.length; i++) {
|
||||
// if (typeof words[i] === 'string') {
|
||||
// totalLength += words[i].length;
|
||||
// }
|
||||
// }
|
||||
|
||||
// return totalLength / words.length;
|
||||
// }
|
||||
|
||||
// const words = ['apple', 'banana', 'orange'];
|
||||
// console.log(findAverageLength(words)); // 4 -> Expected output: 5.6666...
|
||||
|
||||
// Incorrect index example
|
||||
function findAverageLength(words) {
|
||||
if (words.length === 0) {
|
||||
return 0;
|
||||
}
|
||||
|
||||
let totalLength = 0;
|
||||
|
||||
for (let i = 0; i < words.length; i++) {
|
||||
if (typeof words[i] === 'string') {
|
||||
totalLength += words[i].length;
|
||||
}
|
||||
}
|
||||
|
||||
return totalLength / words.length;
|
||||
}
|
||||
|
||||
const words = ['apple', 'banana', 'orange'];
|
||||
console.time('for() avg length');
|
||||
console.log(findAverageLength(words)); // 4 -> Expected output: 5.6666...
|
||||
console.timeEnd('for() avg length');
|
||||
|
||||
console.time('join() avg length');
|
||||
console.log(words.join('').length / words.length);
|
||||
console.timeEnd('join() avg length');
|
||||
}
|
||||
</script>
|
||||
</body>
|
||||
</html>
|
||||
Reference in New Issue
Block a user