DOM
window.document.
area
JavaScript
getElementById()
name
CSS
getElementsByName()
getElementsByTagName()
getElementsByClassName()
querySelector()
disabled
obiekt.toggleAttribute("disabled")
obiekt.usesAttribute("disabled")
obiekt.hasAttribute("disabled")
obiekt.containsAttribute("disabled")
Model DOM + JavaScript =
checkbox
id="x"
document.getElementById("x").toggleAttribute("disabled");
null