docs: Conform to coding style in HACKING guide
The document is supposed to outline our best practices on the javascript side, so make sure the code snippets actually conform to the enforced style. https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/919
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@ -29,9 +29,8 @@ what to do.
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bar = do_thing(b);
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if (var == 5) {
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for (let i = 0; i < 10; i++) {
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for (let i = 0; i < 10; i++)
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print(i);
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}
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} else {
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print(20);
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}
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@ -102,9 +101,8 @@ under the imports:
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Always use either `const` or `let` when defining a variable.
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```javascript
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// Iterating over an array
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for (let i = 0; i < arr.length; ++i) {
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for (let i = 0; i < arr.length; ++i)
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let item = arr[i];
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}
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// Iterating over an object's properties
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for (let prop in someobj) {
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@ -252,7 +250,7 @@ variable that can be captured in closures.
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All closures should be wrapped with Function.prototype.bind or use arrow
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notation.
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```javascript
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let closure1 = () => { this._fnorbate(); };
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let closure1 = () => this._fnorbate();
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let closure2 = this._fnorbate.bind(this);
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```
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