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セレクトボックスから項目を選択するだけでリンク先にジャンプさせる方法

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方法

optionタグのvalue属性にURLを指定して、その値をlocation.hrefにセットする。

html

optionのvalueにジャンプさせたいURLを指定する。
onchange()は内容が変化したら発生するイベント。

index.html
<form name="sort_form">
    <select name="sort" onchange="dropsort()">
        <option value=""> --- 選択してください --- </option>
        <option value="">Google</option>
        <option value="">Yahoo</option>
        <option value="">msn</option>
    </select>
</form>

Javascript

Javascriptで行き先をリンク化する

sort.js
function dropsort() {
    var browser = document.sort_form.sort.value;
    location.href = browser
}

これで上手くいきます。
dropdownで選んでからボタンを押してsubmitとかをしたくないときに便利です。

参考サイト

JavaScriptでセレクトボックスから項目を選択したらリンク先にジャンプさせるやり方

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