Question

I had declared 5 checkboxes with name and id attribute in a html:

<input type="checkbox" name="category" value="One" id=11>One<br/> 
<input type="checkbox" name="category" value="Two" id=12>Two<br/> 
<input type="checkbox" name="category" value="Three" id=13>Three<br/> 
<input type="checkbox" name="category" value="Four" id=14>Four<br/>

After declaration, I want to run a javascript that would enable the checkbox1 using that checkbox id.

Let me know to clarify something.

Answer 1

Try this for checking the checkbox:

document.getElementById(<id of first checkbox>).checked = true;

Try this for enabling the checkbox:

document.getElementById(<id of first checkbox>).disabled = false;