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  • Jquery 实现两个数相加

    编写代码

    <!DOCTYPE html>
    <html lang="en">
    
    <head>
        <meta charset="UTF-8">
        <meta name="viewport" content="width=device-width, initial-scale=1.0">
        <title>Document</title>
        <script src="jqueryjquery.js"></script>
    </head>
    
    <body>
        <div>
            number1:
            <input type="text" name="" id="number1">
            <br> 
            number2:
            <input type="text" name="" id="number2">
            <hr>
            <button id="res">result</button>
            <input type="text" name="" id="result">
        </div>
    
        <script>
            $(document).ready(function() {
                $("#res").click(function() {
                    // let num1=0,num2=0;
                    num1 = $("#number1").val();
                    num2 = $("#number2").val();
                    $("#result").val(Number(num1) + Number(num2));
                    res = parseInt(num1) + parseInt(num2);
                    // alert(res);
    
                })
            })
        </script>
    </body>
    
    </html>
    

    运行结果

    image

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  • 原文地址:https://www.cnblogs.com/d534/p/15193099.html
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