Results for “Form serialization & state”
Small, practical examples. Search by task or narrow things down below.
Check native form validity before proceeding
jQuery: Use the native checkValidity API from the selected form.
jQuery✓ Tested
Collect repeated form field names
jQuery: serializeArray preserves multiple values as name-value records.
jQuery✓ Tested
Distinguish current state from initial markup
jQuery: prop reads the live checked state; attr reads the original checked attribute.
jQuery✓ Tested
Restore a form’s original default values
jQuery: Call the native reset method through the underlying form element.
jQuery✓ Tested
Delete a cached data entry
jQuery: removeData removes the jQuery cache value for the selected key.
jQuery✓ Tested
Refresh a cached data attribute deliberately
jQuery: After the first read, data caches a parsed value; removeData forces a new attribute read.
jQuery✓ Tested
Remove an optional attribute entirely
jQuery: removeAttr removes the attribute instead of setting a string that might still activate it.
jQuery✓ Tested
Serialize successful controls for a URL-encoded request
jQuery: serialize includes named enabled controls and checked checkboxes.
jQuery✓ Tested
Set several selected options
jQuery: Passing an array to val selects matching values in a multiple select.
jQuery✓ Tested
Store an object associated with an element
jQuery: data retains JavaScript values without serializing them into HTML attributes.
jQuery✓ Tested
Reset controlled form state
Reset controlled form state with a small React component and explicit browser behavior.
React✓ Tested
Handle malformed JSON input
Python: Catch JSONDecodeError without hiding unrelated programming errors.
Python✓ Tested