layerAuthManage.jsp
<input type="button" value="일괄선택" onclick="chk_all()">
spatialInfoGuide.js
function chk_all(){
$('[name=chk]').prop('checked', true);
}
error message:
Uncaught ReferenceError: chk_all is not defined
at HTMLInputElement.onclick (layerAuthManage.do:123)
may be you did not add jquery, thats why showing this error.
you can use below solution, i think it will help. if still error then share your code to see.
<html>
<html lang="en">
<head>
<title>Demo</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
</head>
<body>
<input type="button" value="일괄선택" onclick="chk_all()">
<script>
function chk_all(){
$('[name=chk]').prop('checked', true);
}
</script>
</body>
</html>
Related
I'm trying to use two script hosts in case one doesn't show but my catch statement doesn't seem to be catching status 404 errors when I purposefully mess up the url. Here's the code:
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<script src="https://cdn.jsdelivr.net/npm/p5#1.0.0/lib/p5.js"></script>
<script onerror="error()" ></script>
<script src="blockman.js"></script>
<script src="https://craigapphostl.w3spaces.com/scripts.js"></script>
<title>Document</title>
<button onclick="f()">Test</button>
</head>
<body>
</body>
<script>
function error(){
//added l's on the end to both script host links
alert("some thing hs went wrong trying back up host")
}
try{
var t=document.createElement("script")
t.setAttribute("src","https://vdkhiyrhibxzmpiophft.w3spaces.com/scripts.js")
document.body.appendChild(t);
}
catch(e){
alert(e)
}
</script>
</html>
This type of error cannot be catched with try...catch. Instead, listen on the error event.
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<script src="https://cdn.jsdelivr.net/npm/p5#1.0.0/lib/p5.js"></script>
<script onerror="error()"></script>
<script src="blockman.js"></script>
<script src="https://craigapphostl.w3spaces.com/scripts.js"></script>
<title>Document</title>
<button onclick="f()">Test</button>
</head>
<body>
</body>
<script>
function error() {
//added l's on the end to both script host links
alert("some thing hs went wrong trying back up host")
}
var t = document.createElement("script");
// Alerts "Error loading script" if there was an error
t.onerror = err => alert("Error loading script");
t.setAttribute("src", "https://vdkhiyrhibxzmpiophft.w3spaces.com/scripts.js");
document.body.appendChild(t);
</script>
</html>
I have an assignment where I have to change h1 to whatever is written in the input. I have to do this through making a function with getElementByID.
This is what I have so far
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Change Text</title>
</head>
<body>
<h1 id="Header">Change header</h1>
<p>Use the input to change the header.</p>
<input type="text" oninput="changeh1(this.value)" />
<script>
function changeh1(newtext) {
document.getElementById("Header").textContent=
}
</script>
</body>
</html>
You passed the value (newtext) to your function but never used it:
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Change Text</title>
</head>
<body>
<h1 id="Header">Change header</h1>
<p>Use the input to change the header.</p>
<input type="text" oninput="changeh1(this.value)" />
<script>
function changeh1(newtext) {
document.getElementById("Header").textContent=newtext;
}
</script>
</body>
</html>
Try changing your script to this:
function changeh1(newtext) {
document.getElementById("Header").innerText = newtext;
}
<script>
function changeh1(newtext) {
document.getElementById("Header").textContent = newtext;
}
</script>
The textContent API is useful to get and also set the text content of a node. In your original code, you did not set the content of the Node you were trying to modify (the header, h1). To fix it, just set it to the argument of the callback function you defined. In the DOM, you are passing this.value as the argument for newtext
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Change Text</title>
</head>
<body>
<h1 id="Header">Change header</h1>
<p>Use the input to change the header.</p>
<input type="text" oninput="changeh1(this.value)" />
<script>
function changeh1(newtext) {
document.getElementById("Header").textContent = newtext
}
</script>
</body>
</html>
I was getting this error in my console while trying to execute a function using the "onclick" event inside of a button. The error I got was,
Uncaught ReferenceError: foo is not defined
onclick http://localhost:3001/bar:1
onclick http://localhost:3001/bar:1
I defined foo like this in the <body> tag followed by a script tag,
function foo(){
fooBar();
}
Thanks.
Edit: Heres my code.
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta name="description" content="app lol">
<script src="https://unpkg.com/axios/dist/axios.min.js"></script>
<title><% title %></title>
</head>
<body>
<script>
function foo() {
fooBar();
}
</script>
<button onclick="foo()">bar</button>
</body>
</html>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <meta name="description" content="app lol"> <script src="unpkg.com/axios/dist/axios.min.js">
</script>
<title></title>
</head>
<body>
<script>
function fooBar()
{
alert("hey");
}
function foo()
{
fooBar();
}
</script>
<button onclick="foo()">bar</button>
</body>
</html>
<html>
<head><title></title></head>
<body>
<button id="btn" onClick="foo()">Click me </button>
<script>
btn = document.getElementById("btn");
function foo(){
btn.style.color = "red";
}
</script>
</body>
</html>
This works!
Add an ID to your button. onclick is kinda buggy, because Google security features prevent you from doing so. It is even a good idea to separate JavaScript and HTML.
I usually assign an ID to a div, and querySelector them.
<div id="an-id">
<input />
</div>
document.querySelector("#an-id").querySelector("input").addEventListener("click", foo);
(Put your script after the button)
Is this how your setup looks? If yes, there shouldn't be any error.
<script>
function foo () {
console.log('Foo function');
}
</script>
<button onclick="foo()"> My Button </button>
This question already has answers here:
Why does jQuery or a DOM method such as getElementById not find the element?
(6 answers)
Closed 3 years ago.
I am completely new to JavaScript, and I can't figure out why I'm getting this error: Uncaught TypeError: Cannot read property 'addEventListener' of null.
I followed the advice posted in response to a similar question and put the file containing my JavaScript in the bottom of my body, but that didn't fix it. I also tried making the button onclick=checkValidity(), but that didn't work either.
document.getElementById("loginButton").addEventListener("click",
checkValidity);
function checkValidity() {
var usrName = document.getElementById("inputUsername").value;
var usrPswd = document.getElementById("inputPswrd").value;
if(usrName == "admin" && usrPswd == "123"){
window.open("HtmlPage2.html");
}
else {
alert("Your username and password are incorrect.");
}
}
and the HTML:
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-
scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<link rel="stylesheet" type="text/css" href="stylesheet.css">
<title>Document</title>
</head>
<body>
<div class=wrap>
<input type="text" id="inputUsername">
<p>Username</p>
<input type="password" id="inputPswrd">
<p>Password</p>
<button id="loginButton">Log in</button>
<p id="login"></p>
</div>
<script type="text/javascript" src="Script.js" async></script>
</body>
</html>
What I want the code to do is check whether the input in the inputUsername and inputPswrd match that specified in the if...else function, and if so, open a new window; otherwise alert an error message.
EDIT: If I move all the code above to the top of my JS file, it will work as intended and open a new window, but then the code for that new page won't run (but the new page code does run it's at the top of my JS file). The error message I get when the new window opens is line 1: Uncaught TypeError: Cannot read property 'value' of null at Script.js:1.
Additional code:
JS for HTML page 2:
document.getElementById("greeting").innerHTML="Welcome";
document.getElementById("productButtonOne").addEventListener("click",
addToCart);
document.getElementById("productButtonTwo").addEventListener("click",
addToCart);
document.getElementById("productButtonThree").addEventListener("click",
addToCart);
var clicks = 0;
function addToCart() {
clicks = clicks + 1;
document.getElementById("cartProductsTotal").innerHTML = "You have " +
clicks + " items in your shopping cart.";
}
Beginning of HTML for page 2:
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<link rel="stylesheet" type="text/css" href="stylesheet.css">
<title>Document</title>
</head>
<body>
<div class=wrap>
<h1 id="greeting"></h1>
<div id="productOne" class="cartItem">
<button id="productButtonOne" class="cartItems">Add to cart</button>
<img src="monaLisa.jpg" id="monaLisaImage">
<h2 class="productDescriptions">Mona Lisa</h2>
<p>This painting is great.</p>
<span class=price>This item costs $10.</span>
</div>
Place the scirpt tag after body it will work
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<link rel="stylesheet" type="text/css" href="stylesheet.css">
<title>Document</title>
</head>
<body>
<div class=wrap>
<input type="text" id="inputUsername">
<p>Username</p>
<input type="password" id="inputPswrd">
<p>Password</p>
<button id="loginButton">Log in</button>
<p id="login"></p>
</div>
<script type="text/javascript" src="Script.js" async></script>
</body>
<script>
document.getElementById("loginButton").addEventListener("click", checkValidity);
function checkValidity() {
var usrName = document.getElementById("inputUsername").value;
var usrPswd = document.getElementById("inputPswrd").value;
if(usrName == "admin" && usrPswd == "123"){
window.open("HtmlPage2.html");
}
else {
alert("Your username and password are incorrect.");
}
}
</script>
</html>
remove this line <script type="text/javascript" src="Script.js" async></script>, I think your code loads the wrong script.
This is the simple code I run hoping to get control over html5 validation but the browser says setCustomvalidity is not a function. what am I doing wrong?
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>Untitled Document</title>
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.3/jquery.min.js"></script>
</head>
<body>
<input type='text' id='tocheck' />
<script>
$("#tocheck").click(function () {
var $this = $(this);
$this.setCustomValidity("slkdjf");
});
</script>
</body>
</html>
jQuery does not have the setCustomValidity function, but the actual DOM element does. The jQuery selector always returns an Array, so you can use the zero index to get the actual DOM element or you can just use this (not $(this)) to get the DOM element upon which you can set the custom validity.
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>Untitled Document</title>
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.3/jquery.min.js"></script>
</head>
<body>
<form>
<input type='text' id='tocheck'/>
<button>
Submit
</button>
</form>
<script>
$("#tocheck").click(function(){
this.setCustomValidity("slkdjf");
});
</script>
</body>
try to
$this[0].setCustomValidity("slkdjf");
And html
<form>
<input type="text" id="tocheck">
<button type="submit">Button</button>
</form>
You can simply do this.setCustomValidity("slkdjf"); this is the DOM object, whereas $(this) is the jQuery wrapper around same.
$("#tocheck").click(function(){
this.setCustomValidity("slkdjf");
$( "<p>slkdjf</p>" ).insertAfter( this );
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<input type='text' id='tocheck'/>
you can use syntax like
$('#id**^**.class')[0].setCustomValidity('**some notification string ...**');