[戻]-35416/親

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style.displayだと効率悪いから違うやり方をしたいです。

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えっぴー

最初--lect3">three</option>
</select>
</div>
<div class="col-auto my-5">
<div id="Box1" class="my-5">
<p>one</p>
</div>
<div id="Box2" class="my-5">
<p>two</p>
</div>
<div id="Box3" class="my-5">
<p>three</p>
</div>
</div>
<script>
function viewChange(){
if(document.getElementById('sample')){
id = document.getElementById('sample').value;
if(id == 'select1'){
document.getElementById('Box1').style.display = "";
document.getElementById('Box2').style.display = "none";
document.getElementById('Box3').style.display = "none";
}else if(id == 'select2'){
document.getElementById('Box1').style.dis -->続き

05/11 13:00
[編|消]

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ﾚｽを書く
1番最初のﾚｽ

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Child K-Tai