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Avoid using delete on variables directly

Docs > コード分析 > Static Analysis Rules > Avoid using delete on variables directly

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Metadata

ID: javascript-best-practices/no-delete-var

Language: JavaScript

Severity: Error

Category: Best Practices

CWE: 480

Description

The delete operator is designed to remove properties from objects in JavaScript. When used correctly, it can help manage object properties. However, using the delete operator on anything other than object properties can lead to unpredictable behavior.

Non-Compliant Code Examples

delete x

Compliant Code Examples

delete x.prop;

How to use this rule

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

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