Common attributes in the input box

1. disabled (the input box is grayed out and cannot be used) [html] document. getElementById ("date "). disabled = "disabled"; in this way, the input box id = date is disabled. During the form jump, no value is transferred. readOnly read-only (the input box cannot be modified) [html] document. getElementById ("money1 "). readOnly = "true"; 3. display style (display style in the input box) none: hidden object. Unlike the hidden value of the visibility attribute, the hidden object does not reserve its physical space inline: the specified object is an inline element. [Html] document. getElementById ("date "). style. display = "none"; 4. visibility display attribute this attribute is hidden object and retains the physical space occupied by it. If you want the object to be visible, its parent object must also be visible [html] document. getElementById ("date" ).css. visibility = "hidden ";