0806JS

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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>

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