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This commit is contained in:
Philippe Torrel
2026-09-11 09:51:45 +02:00
parent 43b2421cf7
commit d9e2b41984
7 changed files with 43 additions and 39 deletions
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01_grundlagen/uebungen/u14_rechnen-ausdruecke.html
+29 -27
View File
@@ -1,4 +1,4 @@
<!DOCTYPE html>
<!doctype html>
<html lang="de">
<head>
<meta charset="UTF-8" />
@@ -23,68 +23,68 @@
<tbody>
<tr>
<td>'1.5' * 2</td>
<td>-</td>
<td>-</td>
<td>3</td>
<td>'number'</td>
</tr>
<tr>
<td>'1,5' * 2</td>
<td>-</td>
<td>-</td>
<td>NaN</td>
<td>'number'</td>
</tr>
<tr>
<td>'1.5' + 2</td>
<td>-</td>
<td>-</td>
<td>'1.52'</td>
<td>'string'</td>
</tr>
<tr>
<td>Number('1.5') * 2</td>
<td>-</td>
<td>-</td>
<td>3</td>
<td>'number'</td>
</tr>
<tr>
<td>Number('1,5') * 2</td>
<td>-</td>
<td>-</td>
<td>NaN</td>
<td>'number'</td>
</tr>
<tr>
<td>Number('3 Tage') * 7</td>
<td>-</td>
<td>-</td>
<td>NaN</td>
<td>'number'</td>
</tr>
<tr>
<td>Number('Seite 20') + 5</td>
<td>-</td>
<td>-</td>
<td>NaN</td>
<td>'number'</td>
</tr>
<tr>
<td>'9,2' + Number('11.7')</td>
<td>-</td>
<td>-</td>
<td>'9,211.7'</td>
<td>'string'</td>
</tr>
<tr>
<td>(NaN - 2) * (4 / 2)</td>
<td>-</td>
<td>-</td>
<td>NaN</td>
<td>'number'</td>
</tr>
<tr>
<td>alert(Number(17 / 2 + 1.3))</td>
<td>-</td>
<td>-</td>
<td>undefined</td>
<td>'undefined'</td>
</tr>
<tr>
<td>console.log(Number(17 / 2 + 1.3))</td>
<td>-</td>
<td>-</td>
<td>undefined</td>
<td>'undefined'</td>
</tr>
<tr>
<td>typeof 12.25</td>
<td>-</td>
<td>-</td>
<td>'number'</td>
<td>'string'</td>
</tr>
<tr>
<td>typeof typeof 12.25</td>
<td>-</td>
<td>-</td>
<td>'string'</td>
<td>'string'</td>
</tr>
</tbody>
</table>
@@ -92,6 +92,8 @@
</main>
<script>
'use strict';
console.log('1.23');
</script>
</body>
</html>