I'm good at HTML and JavaScript or I'm good on HTML and JavaScript?

I'm good at HTML and JavaScript vs I'm good on HTML and JavaScript

The correct phrase is "I'm good at HTML and JavaScript." The preposition 'at' is used to indicate proficiency or skill in a particular subject or activity.

Last updated: March 15, 2024 • 709 views

I'm good at HTML and JavaScript

This phrase is correct and commonly used in English.

Use 'at' when talking about proficiency or skill in a particular subject or activity. In this case, it indicates that the person is skilled in HTML and JavaScript.

Show examples from the web [+]

I'm trying to add a colour border to a form field when a user clicks on the field, I'm good at html and javascript, with a bit of php, but my css is ...

I'm good on HTML and JavaScript

This phrase is not correct in English. The preposition 'on' is not used to indicate proficiency or skill in a subject or activity.

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I'm good at HTML and JavaScript vs I'm good on HTML and JavaScript