jQuery Forms — Summary

Forms Summary

Key patterns: e.preventDefault() on submit, .serialize() for query strings, $.post() for AJAX submission, input events for real-time interaction, debounce for performance.

Example

// Minimal AJAX form pattern
$("form").on("submit", function(e) {
  e.preventDefault();
  const $btn = $(this).find("[type=submit]").prop("disabled", true);

  $.ajax({
    url:  $(this).attr("action"),
    type: $(this).attr("method") || "POST",
    data: $(this).serialize()
  })
  .done(res  => { /* success */ })
  .fail(err  => { /* error */ })
  .always(()  => $btn.prop("disabled", false));
});

JAVASCRIPT

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Pro Tip

Re-enable the submit button in .always() so it works after both success and failure.

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