Should Checkboxes be Checked or Unchecked by default in forms

1. How do I make checkboxes checked by default?
2. What is the default value of unchecked checkbox?
3. How to uncheck checkbox in JavaScript by default?
4. How do I keep checkboxes checked in HTML?

How do I make checkboxes checked by default?

If you wanted to submit a default value for the checkbox when it is unchecked, you could include an <input type="hidden"> inside the form with the same name and value , generated by JavaScript perhaps.

What is the default value of unchecked checkbox?

I think it should be noted that if no explicit value is set during CheckBox initialization, null is the default until it gets checked / unchecked...

How to uncheck checkbox in JavaScript by default?

prop() You can use the prop() method to check or uncheck a checkbox, such as on click of a button.

How do I keep checkboxes checked in HTML?

The checked attribute is a boolean attribute. When present, it specifies that an <input> element should be pre-selected (checked) when the page loads. The checked attribute can be used with <input type="checkbox"> and <input type="radio"> . The checked attribute can also be set after the page load, with a JavaScript.