[英]How to change the CSS property (border color) of input tag of form on button click and also submit data?
我有test2.php文件,該文件在echo“”的php標簽內具有html形式; 這樣,我在表單內也有一個提交按鈕,我的問題是在提交單擊時,表單數據通過表單方法發布發送到收件人頁面,而且還更改了輸入類型的css屬性,以便確認特定的表單輸入是提交。
test2.php的內容
<!DOCTYPE html>
<html>
<head>
<title></title>
<style type="text/css">
.form-filled{
border: 1px solid #ffff00;
}
</style>
</head>
<body>
<form id='form1' action='test2.php' method='post'>
<label></label>
<input type='text' name='fname' value='Rinku' >
<input type='text' name='lname' value='yadav' >
<input type='text' name='deg' value='BE' >
<input type='text' name='course' value='CSE' >
<label>checkbox: </label>
<input type='checkbox' name='check' onchange='checkfunction()'>
<br>
<input type='submit' name='submit1' value='Submit1' onclick="alert('submit 1 button pressed');">
<input type=submit name='submit2' value='Submit2' onclick='myfunction()'>
</form>
<?php
echo "<form id='form2' action='test2.php' method='post'>";
echo "<label></label>";
echo "<input type='text' name='fname' value='Rinku' >";
echo "<input type='text' name='lname' value='yadav' >";
echo "<input type='text' name='deg' value='BE' >";
echo "<input type='text' name='course' value='CSE' >";
echo "<label>checkbox: </label>";
echo "<input type='checkbox' name='check' onchange='checkfunction()'>";
echo "<br>";
echo "<input type='submit' name='submit1' value='Submit1' onclick="."alert('submit 1 button pressed');".">";
echo "<input type=submit name='submit2' value='Submit2' onclick='myfunction()'>";
echo "</form>";
?>
<script type='text/javascript'>
function myfunction(){
alert('Submit 2 is clicked!');
$('input').addClass("form-filled");
}
function checkfunction(){
alert('checkbox is check/unchecked');
}
</script>
</body>
</html>
您錯誤地應用了jQuery的CSS。 最好在輸入元素上添加類,然后在該類上應用CSS。
更改此行:
$('input').css({'border: 1px solid #ffff00;'});
用這一行:
$('input').addClass("form-filled");
順便說一下,這行中的elm
是什么:
document.elm.style.border = "3px solid #FF0000";
它還未定義elm
而引發錯誤。
這是我剛剛在課堂上更改邊界的演示。
function myfunction(){ alert('Submit 2 is clicked!'); $('input[type=text]').addClass("form-filled"); } function checkfunction(){ alert('checkbox is check/unchecked'); } $("form").submit(function(e){ e.preventDefault(); });
.form-filled{ border: 1px solid #ffff00; }
<!DOCTYPE html> <html> <head> <title></title> <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script> </head> <body> <form id='form1' action='test2.php' method='post'> <label></label> <input type='text' name='fname' value='Rinku' > <input type='text' name='lname' value='yadav' > <input type='text' name='deg' value='BE' > <input type='text' name='course' value='CSE' > <label>checkbox: </label> <input type='checkbox' name='check' onchange='checkfunction()'> <br> <input type='submit' name='submit1' value='Submit1' onclick="alert('submit 1 button pressed');"> <input type=submit name='submit2' value='Submit2' onclick='myfunction()'> </form> <hr> <form id='form2' action='' method='post'> <label></label> <input type='text' name='fname' value='Rinku' > <input type='text' name='lname' value='yadav' > <input type='text' name='deg' value='BE' > <input type='text' name='course' value='CSE' > <label>checkbox: </label> <input type='checkbox' name='check' onchange='checkfunction()'> <br> <input type='submit' name='submit1' value='Submit1' onclick="."alert('submit 1 button pressed');"."> <input type=submit name='submit2' value='Submit2' onclick='myfunction()'> </form> </body> </html>
僅突出顯示單擊的表單字段的示例:
$("form .submit2").click(function() { alert('Submit 2 is clicked!'); var formId = $(this).parent().attr("id"); $('#' + formId + ' input[type=text]').addClass("form-filled"); }); function checkfunction(){ alert('checkbox is check/unchecked'); } $("form").submit(function(e){ e.preventDefault(); });
.form-filled{ border: 1px solid #ffff00; }
<!DOCTYPE html> <html> <head> <title></title> <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script> </head> <body> <form id='form1' action='test2.php' method='post'> <label></label> <input type='text' name='fname' value='Rinku' > <input type='text' name='lname' value='yadav' > <input type='text' name='deg' value='BE' > <input type='text' name='course' value='CSE' > <label>checkbox: </label> <input type='checkbox' name='check' onchange='checkfunction()'> <br> <input type='submit' name='submit1' value='Submit1' onclick="alert('submit 1 button pressed');"> <input type=submit name='submit2' value='Submit2' class="submit2"> </form> <hr> <form id='form2' action='' method='post'> <label></label> <input type='text' name='fname' value='Rinku' > <input type='text' name='lname' value='yadav' > <input type='text' name='deg' value='BE' > <input type='text' name='course' value='CSE' > <label>checkbox: </label> <input type='checkbox' name='check' onchange='checkfunction()'> <br> <input type='submit' name='submit1' value='Submit1' onclick="alert('submit 1 button pressed');"> <input type=submit name='submit2' value='Submit2' class="submit2"> </form> </body> </html>
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