Avoid the use of arguments.caller or arguments.callee

Docs > Code Analysis > Static Analysis Rules > Avoid the use of arguments.caller or arguments.callee

This page is not yet available in Spanish. We are working on its translation.
If you have any questions or feedback about our current translation project, feel free to reach out to us!

Metadata

ID: javascript-best-practices/no-caller

Language: JavaScript

Severity: Warning

Category: Error Prone

Description

arguments.caller and arguments.callee has been deprecated and forbidden in ECMAScript 5 strict mode.

Non-Compliant Code Examples

var x = arguments.callee;
var x = arguments.caller;

Compliant Code Examples

var x = arguments.length
var x = arguments
var x = arguments[0]
var x = arguments[caller]

How to use this rule

1
2
rulesets:
  - javascript-best-practices     # Rules to enforce JavaScript best practices.

Create a static-analysis.datadog.yml with the content above at the root of your repository
Use our free IDE Plugins or add Code Analysis scans to your CI pipelines
Get feedback on your code

For more information, please read the Code Analysis documentation

VS Code Extension

Identify code vulnerabilities directly in your
VS Code editor

JetBrains Plugin

Identify code vulnerabilities directly in
JetBrains products