Fix code snippet in in-operator documentation

[zoren]

Description

The doc says x in obj but it should be "x" in obj as x is a name of a property not a variable.

Motivation

This is a minor clarifying change.

Additional details

Related issues and pull requests

[Josh-Cena]

Thanks

[github-actions]

Preview URLs

• /en-US/docs/Web/JavaScript/Reference/Operators/in

Flaws (6)

URL: /en-US/docs/Web/JavaScript/Reference/Operators/in
Title: in
Flaw count: 6

• macros:
  • Wrong xref macro used (consider changing which macro you use). Error processing path /en-US/docs/Learn/Getting_started_with_the_web/JavaScript_basics
  • Wrong xref macro used (consider changing which macro you use). Error processing path /en-US/docs/Learn/JavaScript/First_steps
  • Wrong xref macro used (consider changing which macro you use). Error processing path /en-US/docs/Learn/JavaScript/Building_blocks
  • Wrong xref macro used (consider changing which macro you use). Error processing path /en-US/docs/Learn/JavaScript/Objects
  • Wrong xref macro used (consider changing which macro you use). Error processing path /en-US/docs/Learn/Tools_and_testing/Client-side_JavaScript_frameworks
  • and 1 more flaws omitted