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javascript-窗口调整大小脚本有意外的副作用

2019-12-08 03:33:39 作者：互联网

当元素添加到页面时,我写了一个简短的javascript来调整弹出窗口的大小.
出于某种原因,每次添加新元素时,窗口的宽度都会减少4个像素,尽管它应该保持不变,因为添加元素的宽度始终相同.

知道是什么原因造成的吗？

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
    <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
    <script type="text/javascript" src="scripts.js"></script>
    <script type="text/javascript">
        function resizeWin(){
            var winHeight=document.getElementById('bodyArea').offsetHeight;
            var winWidth=document.getElementById('bodyArea').offsetWidth;
            alert(winWidth);
            window.resizeTo(winWidth+20,winHeight+80);
        }

    </script>
</head>
<body onl oad="javascript:resizeWin()"> 
<div id="bodyArea" style="overflow: hidden;"> 
    <form id="courseDetails" action="/CourseRegistration/Courses" method="POST" width: 300px">
        <table>
                //blah blah, constant size
        </table>

        <input type="button" value="Add Session" onclick="addRow('addCourse');resizeWin();" />
        <input type="button" value="RemoveSession" onclick="deleteRow('addCourse');resizeWin();" />

        <table id="addCourse" border="1">
            <tr>
                <td><input type="checkbox" name="chk"/></td>
                <td>
                    <select name="day">
                        <option value="1">Sunday</option>
                        <option value="2">Monday</option>
                        <option value="3">Tuesday</option>
                        <option value="4">Wednesday</option>
                        <option value="5">Thursday</option>
                        <option value="6">Friday</option>
                        <option value="7">Saturday</option>
                    </select>
                </td>
                <td>
                    <select name="start">
                        <option value="1">1</option>
                        <option value="2">2</option>
                        <option value="3">3</option>
                        <option value="4">4</option>
                       <option value="5">5</option>
                <option value="6">6</option>
                        <option value="7">7</option>
                        <option value="8">8</option>
                        <option value="9">9</option>
                        <option value="10">10</option>
                    </select>
                </td>
                <td>
                    <select name="duration">
                    <option value="1">1</option>
                    <option value="2">2</option>
                    <option value="3">3</option>
                    <option value="4">4</option>
                </select>
            </td>
        </tr>
    </table>
    <input type="submit" value="Submit" name="addCourse" />
    </form>
    </div>
</body>
</html>

解决方法:

在

< form id =“ courseDetails” action =“ / CourseRegistration / Courses” method =“ POST” width：300px“>

您缺少了width的opening =“；请尝试width =” 300px“可能就是一些错误.

标签：resize,window-resize,javascript
来源： https://codeday.me/bug/20191208/2088573.html