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Last Update 2019/12/25


TOP - JavaScript - Document - forms[]配列

フォーム内のHTML要素のオブジェクトが格納される配列です。


オブジェクト1 .forms[ ]

オブジェクト1
Documentオブジェクト(通常は、window.document等)


(例)

<SCRIPT type="text/javascript"> var w1; function btnclick() { w1 = window.open("", "", "height=300,width=400"); var s_html = ""; s_html += "<html>\n"; s_html += "<head>\n"; s_html += '<script type="text/javascript">' + "\n"; s_html += "<!--\n"; s_html += 'function view_form()' + "\n"; s_html += '{' + "\n"; s_html += ' var i = 0;' + "\n"; s_html += ' var s_form = "";' + "\n"; s_html += ' for (i=0; i<window.document.forms.length; i++)' + "\n"; s_html += ' {' + "\n"; s_html += ' s_form += window.document.forms[i].name + "\\n";' + "\n"; s_html += ' }' + "\n"; s_html += ' alert(s_form);' + "\n"; s_html += '}' + "\n"; s_html += "\/\/-->\n"; s_html += "<\/script>\n"; s_html += "</head>\n"; s_html += "<body>\n"; s_html += '<form name="form1">' + "\n"; s_html += '<input type="button" name="view_button" value="FORM内のオブジェクト" '; s_html += 'onclick="view_form()"><br>' + "\n"; s_html += '</form>' + "\n"; s_html += '<form name="form2">' + "\n"; s_html += '<input type="text" name="form_text" value="form2">' + "\n"; s_html += '</form>' + "\n"; s_html += "</body>\n"; s_html += "</html>\n"; w1.document.write(s_html); w1.document.close(); } <!-- //--> </SCRIPT>