回答編集履歴
2
追記
test
CHANGED
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@@ -25,3 +25,115 @@
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25
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</script>
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```
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---
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```html
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<!DOCTYPE HTML>
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<html lang="ja">
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<head>
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<meta charset="UTF-8">
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<title>Sample</title>
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</head>
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<body>
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<form id="form" method="post" action="">
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<span id="input_error"></span>
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<p>
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<input type="text" name="user" id="user" />
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</p>
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<p>
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<input type="password" name="password" id="password" />
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</p>
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<p>
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<button id="btn" type="button">送信</button>
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</p>
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</form>
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<script type="text/javascript">
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function validate() {
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var user = document.getElementById('user');
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var password = document.getElementById('password');
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var message = document.getElementById('input_error');
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var err = [];
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if (user.value.toString() === '') {
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err.push('ログインIDが入力されていません。');
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}
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if (password.value.toString() === '') {
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err.push('パスワードが入力されていません。');
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}
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if (err.length > 0) {
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message.innerHTML = err.join('<br>');
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return false;
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}
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return true;
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}
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var btn = document.getElementById('btn');
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btn.addEventListener('click', function (e) {
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if (validate()) {
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document.getElementById('form').submit();
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}
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});
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</script>
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</body>
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</html>
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```
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1
修正
test
CHANGED
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@@ -2,7 +2,7 @@
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2
2
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3
3
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<script type="text/javascript">
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4
4
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-
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function formcheck(){
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6
6
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7
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//必須チェック
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8
8
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@@ -20,6 +20,8 @@
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}
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}
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</script>
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```
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