(boolean)
Returns true if item exists.

Parameters:

• name - the id of item (the item's parameter 'name')
• value - the value of a radio button ( the radio's parameter 'value'). Required for 'radio' items only

//for radio buttons
var isExist = myForm.isItem(name, value);
//for other items
var isExist = myForm.isItem(name);

See also:

• isItemChecked
• isItemEnabled
• isItemHidden
• isReadonly