Various ways to get the value in input type=text in jquery-JS Tutorial-php.cn

Various ways to get the value in input type=text in jquery

高洛峰

Release： 2017-02-11 16:59:19

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The following editor will bring you an article on various ways of obtaining the value in input type=text using jquery (summary). The editor thinks it is quite good, so I will share it with you now and give it as a reference for everyone. Let’s follow the editor and take a look.

The examples are as follows:

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml>

<html xmlns="http://www.w3.org/1999/xhtml">

  <head>
    <title>JQuery获取文本框的值</title>
    <meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
    <script src="jquery-1.5.1.min.js" type="text/javascript"></script>
    
    <script type="text/javascript">
    //使用id的方式获取
    $(document).ready(function(){
      //1
      $("#button_text1").click(function(){
        var result1 = $("#input_text1").val();
        alert("result1 = " + result1);
      });
      //2
      $("#button_text2").click(function(){
        var result2 = $("input[id=&#39;input_text2&#39;]").val();
        alert("result2 = " + result2);
      });
      //3
      $("#button_text3").click(function(){
        var result3 = $("input[id=&#39;input_text3&#39;]").attr("value");
        alert("result3 = " + result3);
      });
      //4. 可以通过type的值来获取input中的值（未演示）
      /*
      $("#button_text4").click(function(){
        var result4 = $("input[type=&#39;text&#39;]").val();
        alert("result4 = " + result4);
      });
      */
      //5. 可以通过name的值来获取input中的值（未演示）
      /*
      $("#button_text5").click(function(){
        var result5 = $("input[name=&#39;text&#39;]").val();
        alert("result5 = " + result5);
      });      
      */
    });
    </script>
  </head>

  <body>
    <!-- 获取文本框的值：方式一 -->
    <p id="test1">
      <input id="input_text1" type="text" value="test1" style="width: 100px;" />
      <button id="button_text1">test1</button>
    </p>
    <!-- 获取文本框的值：方式二 -->
    <p id="test2">
      <input id="input_text2" type="text" value="test2" style="width: 100px;" />
      <button id="button_text2">test2</button>
    </p>
    <!-- 获取文本框的值：方式三 -->
    <p id="test3">
      <input id="input_text3" type="text" value="test3" style="width: 100px;" />
      <button id="button_text3">test3</button>
    </p>
  </body>

</html>

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