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jQueryを使って form要素なしでフォームを submitする

Posted at
$(document).ready(function () {
  $('input.search-query').keypress(function(e) {
    var value = $(this).val();
    // 押されたのが Enterキーかつ入力欄に何か入っていればsubmit処理
    if (e.keyCode == 13 && value != "") {  
      $('<form/>', {id: 'cse-search-box',action: 'http://google.com/cse'})
      .append($('<input/>', {type: 'hidden', name: 'ie', value: 'UTF-8'}))
      .append($('<input/>', {type: 'hidden', name: 'q', value: value}))
      .append($('<input/>', {type: 'hidden', name: 'cx', value: 'カスタムサーチエンジンのコード'}))
      .appendTo(document.body)
      .submit();
    }
  });
});

引用元:ワルブリックス株式会社

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