Octal integer
Reports a deprecated octal integer literal prefixed with 0 instead of 0o.
Such literals are not allowed in modern ECMAScript code, and using them in the strict mode is an error.
To force this inspection for ES5 and ES3 language levels, select the 'Warn about obsolete octal literals in ES5- code' checkbox below.
Locating this inspection
- By ID
Can be used to locate inspection in e.g. Qodana configuration files, where you can quickly enable or disable it, or adjust its settings.
JSOctalInteger- Via Settings dialog
Path to the inspection settings via IntelliJ Platform IDE Settings dialog, when you need to adjust inspection settings directly from your IDE.
Inspection ID: JSOctalInteger
Inspection options
Here you can find the description of settings available for the Octal integer inspection, and the reference of their default values.
- Warn about obsolete octal literals in ES5- code
Option ID:
myReportNonStrictEs5Default value:
Not selected
Suppressing Inspection
You can suppress this inspection by placing the following comment marker before the code fragment where you no longer want messages from this inspection to appear:
More detailed instructions as well as other ways and options that you have can be found in the product documentation:
Inspection Details | |
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By default bundled with: | CLion 2026.1, GoLand 2026.1, IntelliJ IDEA 2026.1, JetBrains Rider 2025.3, PhpStorm 2026.1, PyCharm 2026.1, Qodana for .NET 2025.3, Qodana for Go 2026.1, Qodana for JS 2026.1, Qodana for JVM 2026.1, Qodana for PHP 2026.1, Qodana for Ruby 2026.1, RubyMine 2026.1, WebStorm 2026.1 |