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Rule priority, scope & exceptions
Use this to align rules with the senior-level structure (P0/P1/P2, scope, exceptions/tradeoffs).
frontend ruleP1universalStack: javascript
thisbindingcallbackscorrectness
Verify the `this` binding passed into callbacks
Confirm what `this` refers to when handing it to another function; an unintended binding silently breaks behavior.
PR: hegnar-web · org-mining-hist-2026-06Created: Jun 19, 2026
Bad example
Old codejavascript
| 1 | element.addEventListener('load', function () { |
| 2 | loader.load(this); // 'this' is the element, not what load() expects |
| 3 | }); |
Explanation (EN)
Objašnjenje (HR)
Good example
New codejavascript
| 1 | element.addEventListener('load', () => { |
| 2 | loader.load(scriptConfig); // pass the intended value explicitly |
| 3 | }); |
Explanation (EN)
Objašnjenje (HR)