javascriptcheckbox

Check/Uncheck checkbox with JavaScript

How can a checkbox be checked/unchecked using JavaScript?

Solution

  • JavaScript:

    // Check
document.getElementById("checkbox").checked = true;

// Uncheck
document.getElementById("checkbox").checked = false;

    jQuery (1.6+):

    // Check
$("#checkbox").prop("checked", true);

// Uncheck
$("#checkbox").prop("checked", false);

    jQuery (1.5-):

    // Check
$("#checkbox").attr("checked", true);

// Uncheck
$("#checkbox").attr("checked", false);