Kontrollerar ifall Javascript-koden är korrekt enligt Webperf-communityts egna Javascript-test. Testet är ett "lint"-test för att avgöra om det är korrekt Javascript och följer webbstandard.
Betyg: 2.64 av 5
- JS är dålig.
Webbstandard
- `< script>` in: #1: Webbsida , antal grupperade fel: 1 ( 4.80 betyg )
- `< script>` in: #1: Webbsida , antal fel: 1 ( 4.80 betyg )
- Parsing error: Unexpected token : (totalt 1 st)
- `< script src="...">` in: #1: Webbsida , antal grupperade fel: 4 ( 4.20 betyg )
- `< script src="...">` in: #1: Webbsida , antal fel: 123 ( 1.00 betyg )
- X is defined but never used. (totalt 82 st)
- X is not defined. (totalt 20 st)
- Unexpected console statement. (totalt 19 st)
- X is assigned a value but never used. (totalt 2 st)
- `< script>` in: #23: sw-iframe.html, antal grupperade fel: 1 ( 4.80 betyg )
- `< script>` in: #23: sw-iframe.html, antal fel: 2 ( 4.60 betyg )
- X is defined but never used. (totalt 2 st)
- `content-type=".*javascript.*"` in: #11: gtm.js, antal grupperade fel: 4 ( 4.20 betyg )
- `content-type=".*javascript.*"` in: #11: gtm.js, antal fel: 449 ( 1.00 betyg )
- X is defined but never used. (totalt 349 st)
- X is assigned a value but never used. (totalt 88 st)
- X is not defined. (totalt 11 st)
- Unexpected console statement. (totalt 1 st)
- `content-type=".*javascript.*"` in: #21: fbevents.js, antal grupperade fel: 4 ( 4.20 betyg )
- `content-type=".*javascript.*"` in: #21: fbevents.js, antal fel: 1103 ( 1.00 betyg )
- X is defined but never used. (totalt 985 st)
- X is assigned a value but never used. (totalt 89 st)
- X is not defined. (totalt 17 st)
- Unexpected console statement. (totalt 12 st)
- `content-type=".*javascript.*"` in: #22: v8.js, antal grupperade fel: 4 ( 4.20 betyg )
- `content-type=".*javascript.*"` in: #22: v8.js, antal fel: 1118 ( 1.00 betyg )
- X is defined but never used. (totalt 996 st)
- X is assigned a value but never used. (totalt 89 st)
- X is not defined. (totalt 18 st)
- Unexpected console statement. (totalt 15 st)
- `content-type=".*javascript.*"` in: #25: 557001491122724, antal grupperade fel: 4 ( 4.20 betyg )
- `content-type=".*javascript.*"` in: #25: 557001491122724, antal fel: 1258 ( 1.00 betyg )
- X is defined but never used. (totalt 1113 st)
- X is assigned a value but never used. (totalt 92 st)
- Unexpected console statement. (totalt 34 st)
- X is not defined. (totalt 19 st)
Integritet & säkerhet
- `< script>` in: #1: Webbsida , antal grupperade fel: 1 ( 4.80 betyg )
- `< script>` in: #1: Webbsida , antal fel: 1 ( 4.80 betyg )
- Parsing error: Unexpected token : (totalt 1 st)
- `< script src="...">` in: #1: Webbsida , antal grupperade fel: 15 ( 2.00 betyg )
- `< script src="...">` in: #1: Webbsida , antal fel: 3455 ( 1.00 betyg )
- Expected an assignment or function call and instead saw an expression. (totalt 2329 st)
- Expected X and instead saw X. (totalt 1021 st)
- Unnecessary escape character: \-. (totalt 50 st)
- Do not access Object.prototype method X from target object. (totalt 20 st)
- Comparing to itself is potentially pointless. (totalt 19 st)
- Unnecessary escape character: \/. (totalt 4 st)
- X is not modified in this loop. (totalt 3 st)
- The Function constructor is eval. (totalt 2 st)
- Unnecessary X. (totalt 1 st)
- X is assigned to itself. (totalt 1 st)
- Async function X has no X expression. (totalt 1 st)
- Async arrow function has no X expression. (totalt 1 st)
- Unnecessary escape character: \.. (totalt 1 st)
- Redundant use of `await` on a return value. (totalt 1 st)
- Script URL is a form of eval. (totalt 1 st)
- `< script>` in: #23: sw-iframe.html, antal grupperade fel: 2 ( 4.60 betyg )
- `< script>` in: #23: sw-iframe.html, antal fel: 14 ( 2.20 betyg )
- Expected an assignment or function call and instead saw an expression. (totalt 11 st)
- Expected X and instead saw X. (totalt 3 st)
- `content-type=".*javascript.*"` in: #11: gtm.js, antal grupperade fel: 13 ( 2.40 betyg )
- `content-type=".*javascript.*"` in: #11: gtm.js, antal fel: 1525 ( 1.00 betyg )
- Expected an assignment or function call and instead saw an expression. (totalt 1107 st)
- Expected X and instead saw X. (totalt 226 st)
- Do not access Object.prototype method X from target object. (totalt 96 st)
- Unnecessary escape character: \/. (totalt 83 st)
- X is not modified in this loop. (totalt 3 st)
- X is assigned to itself. (totalt 3 st)
- eval can be harmful. (totalt 1 st)
- Comparing to itself is potentially pointless. (totalt 1 st)
- Unnecessary escape character: \?. (totalt 1 st)
- Unnecessary escape character: \.. (totalt 1 st)
- Unexpected string concatenation of literals. (totalt 1 st)
- Unnecessary X. (totalt 1 st)
- Script URL is a form of eval. (totalt 1 st)
- `content-type=".*javascript.*"` in: #21: fbevents.js, antal grupperade fel: 33 ( 1.00 betyg )
- `content-type=".*javascript.*"` in: #21: fbevents.js, antal fel: 2914 ( 1.00 betyg )
- Expected an assignment or function call and instead saw an expression. (totalt 1723 st)
- Expected X and instead saw X. (totalt 829 st)
- Do not access Object.prototype method X from target object. (totalt 99 st)
- Unnecessary escape character: \/. (totalt 92 st)
- Unsafe usage of ThrowStatement. (totalt 16 st)
- Unnecessary escape character: \-. (totalt 16 st)
- X is assigned to itself. (totalt 11 st)
- Unnecessary escape character: \?. (totalt 10 st)
- Unnecessary escape character: \+. (totalt 9 st)
- Unnecessary escape character: \^. (totalt 9 st)
- Unnecessary escape character: \{. (totalt 9 st)
- Unnecessary escape character: \}. (totalt 9 st)
- Unnecessary escape character: \'. (totalt 8 st)
- Unnecessary escape character: \$. (totalt 7 st)
- Unnecessary escape character: \*. (totalt 7 st)
- Unnecessary escape character: \|. (totalt 7 st)
- Unnecessary escape character: \.. (totalt 6 st)
- Unnecessary escape character: \=. (totalt 6 st)
- Unexpected string concatenation of literals. (totalt 4 st)
- Unnecessary escape character: \[. (totalt 4 st)
- Unnecessary escape character: \". (totalt 4 st)
- Unnecessary escape character: \,. (totalt 4 st)
- X is not modified in this loop. (totalt 3 st)
- Comparing to itself is potentially pointless. (totalt 3 st)
- Unnecessary escape character: \). (totalt 3 st)
- Unnecessary escape character: \(. (totalt 3 st)
- Unnecessary X. (totalt 2 st)
- Script URL is a form of eval. (totalt 2 st)
- The Function constructor is eval. (totalt 2 st)
- Unsafe usage of ReturnStatement. (totalt 2 st)
- Unnecessary escape character: \@. (totalt 2 st)
- Unnecessary escape character: \`. (totalt 2 st)
- eval can be harmful. (totalt 1 st)
- `content-type=".*javascript.*"` in: #22: v8.js, antal grupperade fel: 33 ( 1.00 betyg )
- `content-type=".*javascript.*"` in: #22: v8.js, antal fel: 2944 ( 1.00 betyg )
- Expected an assignment or function call and instead saw an expression. (totalt 1741 st)
- Expected X and instead saw X. (totalt 839 st)
- Do not access Object.prototype method X from target object. (totalt 100 st)
- Unnecessary escape character: \/. (totalt 92 st)
- Unsafe usage of ThrowStatement. (totalt 16 st)
- Unnecessary escape character: \-. (totalt 16 st)
- X is assigned to itself. (totalt 11 st)
- Unnecessary escape character: \?. (totalt 10 st)
- Unnecessary escape character: \}. (totalt 10 st)
- Unnecessary escape character: \+. (totalt 9 st)
- Unnecessary escape character: \^. (totalt 9 st)
- Unnecessary escape character: \{. (totalt 9 st)
- Unnecessary escape character: \'. (totalt 8 st)
- Unnecessary escape character: \$. (totalt 7 st)
- Unnecessary escape character: \*. (totalt 7 st)
- Unnecessary escape character: \|. (totalt 7 st)
- Unnecessary escape character: \.. (totalt 6 st)
- Unnecessary escape character: \=. (totalt 6 st)
- Unexpected string concatenation of literals. (totalt 4 st)
- Unnecessary escape character: \[. (totalt 4 st)
- Unnecessary escape character: \". (totalt 4 st)
- Unnecessary escape character: \,. (totalt 4 st)
- X is not modified in this loop. (totalt 3 st)
- Comparing to itself is potentially pointless. (totalt 3 st)
- Unnecessary escape character: \). (totalt 3 st)
- Unnecessary escape character: \(. (totalt 3 st)
- Unnecessary X. (totalt 2 st)
- Script URL is a form of eval. (totalt 2 st)
- The Function constructor is eval. (totalt 2 st)
- Unsafe usage of ReturnStatement. (totalt 2 st)
- Unnecessary escape character: \@. (totalt 2 st)
- Unnecessary escape character: \`. (totalt 2 st)
- eval can be harmful. (totalt 1 st)
- `content-type=".*javascript.*"` in: #25: 557001491122724, antal grupperade fel: 33 ( 1.00 betyg )
- `content-type=".*javascript.*"` in: #25: 557001491122724, antal fel: 3450 ( 1.00 betyg )
- Expected an assignment or function call and instead saw an expression. (totalt 1999 st)
- Expected X and instead saw X. (totalt 1052 st)
- Unnecessary escape character: \/. (totalt 122 st)
- Do not access Object.prototype method X from target object. (totalt 100 st)
- Unsafe usage of ThrowStatement. (totalt 18 st)
- Unnecessary escape character: \-. (totalt 16 st)
- X is assigned to itself. (totalt 12 st)
- Unnecessary escape character: \?. (totalt 10 st)
- Unnecessary escape character: \}. (totalt 10 st)
- Unnecessary escape character: \+. (totalt 9 st)
- Unnecessary escape character: \^. (totalt 9 st)
- Unnecessary escape character: \{. (totalt 9 st)
- Unnecessary escape character: \'. (totalt 8 st)
- Unnecessary escape character: \$. (totalt 7 st)
- Unnecessary escape character: \*. (totalt 7 st)
- Unnecessary escape character: \|. (totalt 7 st)
- Unnecessary escape character: \.. (totalt 6 st)
- Unnecessary escape character: \=. (totalt 6 st)
- Unnecessary escape character: \". (totalt 6 st)
- Unexpected string concatenation of literals. (totalt 4 st)
- Unnecessary escape character: \[. (totalt 4 st)
- Unnecessary escape character: \,. (totalt 4 st)
- X is not modified in this loop. (totalt 3 st)
- Comparing to itself is potentially pointless. (totalt 3 st)
- Unnecessary escape character: \). (totalt 3 st)
- Unnecessary escape character: \(. (totalt 3 st)
- Unnecessary X. (totalt 2 st)
- Script URL is a form of eval. (totalt 2 st)
- The Function constructor is eval. (totalt 2 st)
- Unsafe usage of ReturnStatement. (totalt 2 st)
- Unnecessary escape character: \@. (totalt 2 st)
- Unnecessary escape character: \`. (totalt 2 st)
- eval can be harmful. (totalt 1 st)