[英]Javascript function not being called using onsubmit in html form
我有一個非常簡單的HTML文件,帶有一個javascript中的驗證功能,在提交表單時,我試圖使其執行。 但是,由於沒有執行控制台日志語句,因此無法使is_checked()函數作為證據運行。 我正在使用Eclipse和Apache TomCat 7服務器,該服務器可以正確執行所有jsp,servlet和html代碼,但沒有執行javascript。
<!DOCTYPE html>
<html>
<head>
<meta charset="ISO-8859-1">
<title>Example</title>
<script type="text/javascript">
function is_checked() {
console.log("is_checked() was called");
var taskChecked = document.getElementByID('task').checked;
var projectChecked = document.getElementByID('project').checked;
var autoChecked = document.getElementByID('auto').checked;
var manualChecked = document.getElementByID('manual').checked;
console.log("taskChecked " + taskChecked);
console.log("projectChecked " + projectChecked);
console.log("manualChecked " + manualChecked);
console.log("autoChecked " + autoChecked);
if((taskChecked === "true" || projectChecked === "true")
&& (autoChecked === "true" || manualChecked === "true")) {
return true;
} else {
alert('Must select task or project and either auto or manual!');
return false;
}
}
</script>
</head>
<body>
<form action="#" onsubmit="return is_checked()" method="post">
<table>
<tr>
<td>Process Level: </td>
<td>
<input type="radio" name="process" value="task" id="task">Task
</td>
<td>
<input type="radio" name="process" value="project"
id="project">Project
</td>
</tr>
<tr>
<td>Method Type: </td>
<td>
<input type="radio" name="method" value="auto" id="auto">Auto
</td>
<td>
<input type="radio" name="method" value="manual"
id="manual">Manual
</td>
</tr>
<tr>
<td colspan="2">
<textarea name="ids" rows="15" cols="10"></textarea>
</td>
</tr>
<tr>
<td>
<input type="submit" value="Submit">
</td>
</tr>
</table>
</form>
</body>
</html>
您有一個錯字: document.getElementByID
應該替換為document.getElementById
順便說一句,您兩次調用該函數,您可以在提交輸入中刪除onClick
聲明:本站的技術帖子網頁,遵循CC BY-SA 4.0協議,如果您需要轉載,請注明本站網址或者原文地址。任何問題請咨詢:yoyou2525@163.com.