javacript is checkbox checked
//using plane javascript if(document.getElementById('on_or_off_checkbox').checked) { //I am checked } //using jQuery if($('#on_or_off_checkbox').is(':checked')){ //I am checked }
javacript is checkbox checked
//using plane javascript if(document.getElementById('on_or_off_checkbox').checked) { //I am checked } //using jQuery if($('#on_or_off_checkbox').is(':checked')){ //I am checked }
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"); } }
check if not checked vanila js
<input type="checkbox" id="check"> <a href="#" onclick="check()">click</a> <button onclick="check()">button</button> <script> function check() { if (document.getElementById('check').checked) { alert("checked"); } else { alert("Not checked."); } } </script>
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