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doc: Use valid code in snippets

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Some of the code examples use invalid code like `var` as variable
name or declarations in a single-statement context.

Fix those.

Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/3146>
This commit is contained in:
Florian Müllner 2024-01-26 00:30:25 +01:00 committed by Marge Bot
parent 01a386b286
commit b496a9cf9f
1 changed files with 6 additions and 5 deletions
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HACKING.md
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@ -28,7 +28,7 @@ what to do.
else else
bar = do_thing(b); bar = do_thing(b);
if (var === 5) { if (bar === 5) {
for (let i = 0; i < 10; i++) for (let i = 0; i < 10; i++)
print(i); print(i);
} else { } else {
@ -103,12 +103,13 @@ under the imports:
Always use either `const` or `let` when defining a variable. Always use either `const` or `let` when defining a variable.
```javascript ```javascript
// Iterating over an array // Iterating over an array
for (let i = 0; i < arr.length; ++i) for (let i = 0; i < arr.length; ++i) {
let item = arr[i]; const item = arr[i];
}
// Iterating over an object's properties // Iterating over an object's properties
for (let prop in someobj) { for (const prop in someobj) {
... const val = someobj[prop];
} }
``` ```