// getting the form input field by its ID var field = document.getElementById('myField'); // setting the readonly attribute on it field.readonly = true;
The solution initiates with selecting the input field. This is implemented using the ‘getElementById’ method which returns an Element object representing the element with the ID specified in the parameter.
Libraries and functions used in manipulating the readonly attribute
For instance, below is an example of how jQuery could be utilized:
// set the readonly attribute using jQuery $('#myField').attr('readonly', true);
- attr: A commonly used jQuery method for getting or setting the value of specified attributes of elements.