How can I check if a checkbox is checked?

Question

I am building a mobile web app with jQuery Mobile and I want to check if a checkbox is checked. Here is my code.

Answer 1

use like this

<script type=text/javascript>
function validate(){
if (document.getElementById('remember').checked){
          alert("checked") ;
}else{
alert("You didn't check it! Let me check it for you.")
}
}
</script>

<input id="remember" name="remember" type="checkbox" onclick="validate()" />

Answer 2

    if (document.getElementById('remember').checked) {
        alert("checked");
    }
    else {
        alert("You didn't check it! Let me check it for you.");
    }