JQ的trigger模拟点击事件

$("你需要自动触发的按钮").trigger("事件名称,比如:click");

<!doctype html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>测试</title>
    <script src="https://cdn.bootcdn.net/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
</head>
<body>
    <input id=\'num\' type="text">
    <button id="btn" onclick="butonEvent()">哈哈</button>
</body>
</html>
<script>
    $("#num").blur(function(){
        var inputValue = $("#num").val()
        console.log(inputValue)
        $("#btn").trigger("click");

    })
    function butonEvent(){
        alert(\'1111\')
    }
</script>