[英]When you click on the button, display a message
有一个复选框和一个按钮。 单击按钮时,如果单击复选框,则显示消息“谢谢”。 如果复选框未激活,则显示消息“再见”
<input type="checkbox" id="checkBox">
<input type="button" id='button'>
这应该工作
<!DOCTYPE html>
<html>
<head>
<title></title>
</head>
<body>
<input type="checkbox" id="checkBox">
<input type="button" id='button' value = "Click me" onclick="FbotonOn()">
<p id="texto"></p>
</body>
</html>
<script type="text/javascript">
function FbotonOn() {
if(document.getElementById('checkBox').checked)
document.getElementById('texto').innerHTML = "Thank you";
else
document.getElementById('texto').innerHTML = "Good Bye";
}
document.getElementById("checkBox").addEventListener("click,", function(){
console.log("check box click")});
document.getElementById("button").addEventListener("click,", function(){ console.log("button click")});
jQuery 版本
$('#button').on("click",function(){
if( $('#checkBox').is(":checked")){
alert("checked")
}else{
alert("un checked")
}
})
var checkboxTrue = "CheckBox is checked"; var checkboxFalse = "Please click on the checkbox"; function check() { if(document.getElementById('checkBox').checked) { alert(checkboxTrue); } else { alert(checkboxFalse); } }
<!DOCTYPE html> <html> <head> <title> CheckBox </title> </head> <body> <input type="checkbox" id="checkBox"> <input type="button" id='button' value ="Click me" onclick="check()"> </body> </html>
$("#btnSubmit").click(function(){ var checkoutHistory = document.getElementById('ChkCheck'); if (checkoutHistory.checked) { alert("Ok"); } else{ alert("Check box not selected"); } })
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js"></script> <html> <head> </head> <body> <input type="checkbox" id="ChkCheck"> <input type="submit" value="submit" id="btnSubmit"> </body> </html>
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