回答編集履歴
2
propのほうがいいようなので追加
test
CHANGED
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@@ -83,3 +83,73 @@
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```
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を入れればいいかと
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86
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87
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propのほうがいいようなので追加
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90
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```HTML
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93
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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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<script src="https://code.jquery.com/jquery-3.2.1.js"></script>
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<script type="text/javascript">
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$(function() {
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$('#submit').prop('disabled', true);
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$('#inputFile').on("change", function() {
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var file = this.files[0];
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if(file != null) {
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$('#submit').prop('disabled', false);
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}
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else {
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$('#submit').prop('disabled', true);
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}
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});
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$('#submit').submit(function() {
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$('#submit').prop('disabled', true);
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return true;
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});
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});
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</script>
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</head>
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<body>
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<form>
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<input type="file" id="inputFile">
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<input type="submit" id="submit" value="Submit" />
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</form>
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</body>
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</html>
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```
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1
submitイベントのほうが正しい気がしましたので修正
test
CHANGED
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@@ -38,9 +38,11 @@
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});
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-
$('#submit').
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$('#submit').submit(function() {
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$('#submit').attr('disabled', 'disabled');
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return true;
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});
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