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submitする前に入力チェックがしたい

Last updated at Posted at 2021-03-26

やること

  • submitする前に入力チェックして、メッセージを表示したい。

方法

html
<input class="form-control " name="textform" required="required" type="text" value="" />

<button type="button" id="submitButton"> submit</button>
js
$("#submitButton").on("click", function () {
    if ($("input[name=textform]").val() == "" ) {
        $('#validationModal').modal();
        return false;
    }
});
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