• checked | check | uncheck
• selected | select
• disabled | disable | enable

---

.checked

Description Get the checked state of the first element or set the state for all matched elements.

Parameters

• state (Boolean, optional): True to check, false to uncheck.

Returns

• (Boolean): Current state (if getter).
• (jBase): Current instance (if setter).

Example

if ($('#agree').checked()) {
    // do something
}
$('#agree').checked(true);

---

.selected

Description Get the selected state of an option or set it.

Parameters

• state (Boolean, optional): True to select, false to deselect.

Returns

• (Boolean): Current state (if getter).
• (jBase): Current instance (if setter).

Example

$('option[value="de"]').selected(true);

---

.disabled

Description Get the disabled state of an element or set it.

Parameters

• state (Boolean, optional): True to disable, false to enable.

Returns

• (Boolean): Current state (if getter).
• (jBase): Current instance (if setter).

Example

$('button').disabled(true);

---

.check

Description Alias for .checked(true). Checks all matched checkboxes or radio buttons.

Parameters

• None.

Returns

• (jBase): Current instance for chaining.

Example

$('.terms-checkbox').check();

---

.uncheck

Description Alias for .checked(false). Unchecks all matched checkboxes or radio buttons.

Parameters

• None.

Returns

• (jBase): Current instance for chaining.

Example

$('.optional-options').uncheck();

---

.select

Description Alias for .selected(true). Selects the matched <option> elements in a dropdown.

Parameters

• None.

Returns

• (jBase): Current instance for chaining.

Example

$('select#country option[value="DE"]').select();

---

.disable

Description Alias for .disabled(true). Disables the matched form fields or buttons and automatically adds the .disabled CSS class.

Parameters

• None.

Returns

• (jBase): Current instance for chaining.

Example

$('#submit-btn').disable();

---

.enable

Description Alias for .disabled(false). Enables the matched form fields or buttons and automatically removes the .disabled CSS class.

Parameters

• None.

Returns

• (jBase): Current instance for chaining.

Example

$('#submit-btn').enable();