checkbox js code example

Example 1: oncheck checkbox javascript

<input type='checkbox' onchange='handleChange(this);'> Checkbox

function handleChange(checkbox) {
    if(checkbox.checked == true){
        document.getElementById("submit").removeAttribute("disabled");
    }else{
        document.getElementById("submit").setAttribute("disabled", "disabled");
   }
}

Example 2: commande checkbox html

<!doctype html>
<html>
  <body>
    
    <input type="checkbox">
    <input type="radio">
    
  </body>
</html>

Example 3: how to check if input is checked javascript

const cb = document.getElementById('accept');
console.log(cb.checked);

Example 4: check if checkbox is checked javascript

<script type=text/javascript>
  function validate(){
    if (remember.checked == 1){
      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()" />

Tags:

Html Example

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