https://www.softel.co.jp/blogs/tech/archives/4320
http://qiita.com/Popphron/items/44943d3cf05545ffa771#_reference-622a85494e9891d59034
http://cheesememo.blog39.fc2.com/blog-entry-534.html
https://www.softel.co.jp/blogs/tech/archives/1580
https://www.softel.co.jp/blogs/tech/archives/4320
https://dekiru.net/article/12956/
http://phpjavascriptroom.com/example.php?f=bW9kdWxlL2luY2x1ZGUvanMvc2VsZWN0b3B0aW9uL3Jlc2V0X2RvbS5pbmM.
<!DOCTYPE html> <html> <body> <input type="hidden" name="a" value="${a}"/> <form> <input type="radio" name="item1" id="rad1">A<br /> <input type="radio" name="item1" id="rad2" checked>B<br /> <input type="radio" name="item1" id="rad3">C<br /> <input type="checkbox" name="item21" id="chk1">1<br /> <input type="checkbox" name="item22" id="chk2" checked>2<br /> <input type="checkbox" name="item23" id="chk3" checked>3<br /> <input type="text" id="item3" value="あいうえお" /><br /> <textarea id="item4">アイウエオ</textarea><br /> <select class="null" id="functioncode" name="null"> <option value="">- Please select one -</option> <option title="BC" value="100000001005">BC</option> <option title="CSP" value="100000001003">CSP</option> <option title="GPC" value="100000001007">GPC</option> <option title="Ops" value="100000001004">Ops</option> <option title="gps" value="100000001008">gps</option> </select> <script> alert(1); var obj = document.getElementById("functioncode"); alert(obj); alert(obj.length); alert(2); for(var i=0;i<obj.length;i++){ if(obj[i].value == "100000001007"){ obj[i].selected = true; document.getElementById("functionCode").selectedIndex=0; } } </script> <input type="reset" /> <input type="button" id="clear" value="消去" onClick="hoge()" /> </form> </body> </html>
