function hills(form) { form.list.options[0].text = "ブランドン" form.list.options[1].text = "ブレンダ" form.list.options[2].text = "ディラン" } function tng(form) { form.list.options[0].text = "ピカード" form.list.options[1].text = "データ" form.list.options[2].text = "Q" }
<FORM><SELECT name="list"><OPTION>Item 0 <OPTION>Item 1 <OPTION>Item 2 </SELECT><INPUT TYPE="button" VALUE="90210" onClick="hills(this.form)"><INPUT TYPE="button" VALUE="TNG" onClick="tng(this.form)"></FORM>