10. DOM Basics
HTML elements ko JS se padhna aur badalna.
Is chapter me cover hoga:
- document
- getElementById
- textContent
- style
1. DOM kya hai?
Browser HTML ko ek tree bana ke rakhta hai — Document Object Model.
JS us tree ke nodes (elements) ko pakad sakti hai.
2. Element pakadna
document.getElementById("title")
Phir .textContent se text badlo, .style.color se rang badlo.
Practice — change text
Page load hote hi heading ka text JS se change hoga.