Javascript tutorial in Hindi #23 Input Field Styling Using JavaScript | Change Color, Width, Margin

Publicado em: 02 Fevereiro 2026
no canal de: Code Step By Step
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In this JavaScript tutorial (Part 23), we learn how to style input fields dynamically using JavaScript.
You will see how to change input field text color, width, height, and margin using different events like page load, button click, range input, oninput, and onchange.

This video explains:
How to change input field styles using JavaScript
Why JavaScript should be placed at the bottom of the body
Difference between oninput and onchange
How to use range input to control width and margin
How to avoid repeated code using variables
Real-world use cases like validation, enable/disable buttons, and UI updates
Important JavaScript interview questions related to DOM and styling

This concept is extremely useful while working with JavaScript, React, Angular, or any frontend framework, where styles often change based on user actions or validations.

This video is made by anil sidhu in Hindi Langauge.

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