Tag: JavaScript

Send POST bodies with $.post for forms and create actions.

Handle done/fail/always or success/error callbacks consistently.

Submit forms via AJAX using serialize() or FormData.

Parse and send JSON with dataType json and JSON.stringify.

Call REST endpoints with proper HTTP methods and JSON bodies.

Get and set input values with .val().

Validate required fields and formats before submit or AJAX.

Read/write checked state and gather selected checkbox values.

Get the selected radio value in a named group.

Read/set selected options and respond to change.