Popup.js toggle button typeError - google-chrome-extension

I'm trying to replicate this jsfiddle and add a toggle on/off button to my popup in my chrome extension.
popup.html
<!DOCTYPE html>
<html>
<head>
<script src="popup.js"></script>
</head>
<body>
<button id="toggle">OFF</button>
</body>
</html>
popup.js
console.log("popup.js running..")
var button = document.getElementById('toggle');
var isToggled = false;
button.onclick = function(e){
isToggled = !isToggled;
// Your code here
button.innerText = isToggled ? 'ON' : 'OFF';
};
My error:
Uncaught TypeError: Cannot set property 'onclick' of null
why do I get this error on the bottun.onclick? How can I fix this?

Related

Hard time writing a simple code on jscript

I have hard time with this simple jscript for no reason. this code should display the time once clicked. but i get the error below. what am i doing wrong
{
"message": "Uncaught TypeError: Cannot set properties of null (setting 'innerHTML')",
"filename": "https://stacksnippets.net/js",
"lineno": 30,
"colno": 43
}
function item(name)
{
var d = new Date();
document.getElementById("but1").innerHTML = d;
}
<!DOCTYPE html>
<html>
<body>
<script src="C:\Users\kalyanasundar.s\OneDrive - HCL Technologies Ltd\Desktop\proj\animation\index.Js"></script>
<h2>JavaScript Statements</h2>
<p id="demo">You cannot break a code line with a \ backslash.</p>
<button onclick="item(name)">Try it</button>
</body>
</html>

This id (#but1) does not exist, so innerHtml won't work, try changing it.
function item(name) {
var d = new Date();
document.getElementById("demo").innerHTML = d;
}
<!DOCTYPE html>
<html>
<body>
<script src="C:\Users\kalyanasundar.s\OneDrive - HCL Technologies Ltd\Desktop\proj\animation\index.Js"></script>
<h2>JavaScript Statements</h2>
<p id="demo">You cannot break a code line with a \ backslash.</p>
<button onclick="item(name)">Try it</button>
</body>
</html>

How to hide popup.html in chrome extension

Here is my setup and i am trying to figure out if its possible.
I have an Chrome Extension which goes and parses some data from a active page and then copys the result to the clipboard. My popup.html is minimal and looks like this
<!DOCTYPE html>
<html style=''>
<head>
<script src='popup.js'></script>
</head>
<body style="width:600px;">
<textarea id="emailphone" cols="50" rows="10"></textarea>
<br>
<button id="copy-to-clipboard">Copy to Clipboard</button>
</body>
</html>
What i would like to do is actually not even show the popup at all as my script goes and creates an Alert and displays the data. But for one my script sets the Inner Html of the emailphone textarea with the parsed data and then i go and copy the textarea to my clipboard. Here is my popup script
chrome.runtime.onMessage.addListener(function(request, sender) {
if (request.action == "getSource") {
emailphone.innerText = request.source;
myFunction();
}
});
document.addEventListener('DOMContentLoaded', function() {
document.getElementById("copy-to-clipboard").addEventListener("click", copytoclipboard);
});
function onWindowLoad() {
var message = document.querySelector('#emailphone');
chrome.tabs.executeScript(null, {
file: "getPagesSource.js"
}, function() {
// If you try and inject into an extensions page or the webstore/NTP you'll get an error
if (chrome.runtime.lastError) {
emailphone.innerText = 'There was an error injecting script : \n' + chrome.runtime.lastError.message;
}
});
}
function copytoclipboard() {
var copyText = document.getElementById("emailphone");
copyText.select();
copyText.setSelectionRange(0, 99999)
document.execCommand("copy");
alert(copyText.value);
}
window.onload = onWindowLoad;
when i use window.close() it only closes after i close the alert. So what i am looking for is to only show the Alert and not the popup.html

Selenium Enable popup in chrome

The web site i am navigating using selenium will open a popup, that's why i added this options to chrome.
var chromeOptions = new chrome.Options();
chromeOptions.addArguments("test-type");
chromeOptions.addArguments("start-maximized");
chromeOptions.addArguments("--disable-extensions");
chromeOptions.addArguments("--js-flags=--expose-gc");
chromeOptions.addArguments("--enable-precise-memory-info");
chromeOptions.addArguments("--disable-popup-blocking");
chromeOptions.addArguments("--disable-default-apps");
chromeOptions.addArguments("--disable-infobars");
chromeOptions.setUserPreferences({'profile.default_content_settings.images':'2'});
chromeOptions.setUserPreferences({'profile.default_content_settings.popups':'2'});
After the click, a new window is opened, this window contained the popup that I need to treat, so i switched to this window and noticed that the popup is not hundled.
this is what driver.getPageSource() on this new window returned:
<html dir="ltr" lang="en">
<head>
<script type="text/javascript">
var _AdfWindowOpenError='A popup window blocker has been detected in your browser. Popup blockers interfere with the operation of this application. Please disable your popup blocker or allow popups from this site.';</script>
<script type="text/javascript" src="/fscmUI/adf/jsLibs/Locale2lzbpv.js"></script>
<script type="text/javascript" src="/fscmUI/adf/jsLibs/Common2lzbpv.js"></script>
<script type="text/javascript">
document.onkeydown=_noReload;
var _blockReload=1;
function _fixDialogTitle(){
window.document.title=window.document.getElementById('_adfvdlg').contentWindow.document.title};</script>
<title></title>
</head>
<frameset title="Content" rows="100%,*"
onload="_fixDialogTitle();
_sizeWin(window.document.getElementById('_adfvdlg').contentWindow,0,30,{W:700,H:400})"
onunload="try {
var pw = top.opener;
if (!pw) return;
var p = (pw['AdfPage'] ? pw.AdfPage.PAGE : null);
var ds = (pw['AdfDhtmlRichDialogService'] ? pw.AdfDhtmlRichDialogService.getInstance() : null);
if (ds && p) p.scheduleTimer(ds, ds.checkForWindowCanceled, '1577377052947', 1, {'isSynchronized':true});
}
catch (e){};">
<frame id="_adfvdlg" name="_adfvdlg" title="Content" frameborder="0" noresize="" src="/fscmUI/faces/adf.dialog-request?_adf.ctrlstate=73950a4hf_129&_afrLoop=4736492517208121&_rtrnId=1577377052947" longdesc="#">
<noframes>Your browser does not support frames. Frames support is required for this functionality</noframes>
</frameset>
</html>

Bokeh is not generating plot and is instead returning an HTML file

I am new to Python and was trying out the Bokeh library. I try to plot a basic line graph and instead of returning the graph I get an ouput HTML file. When I ran the HTML code it looks like the graph does generate. Does anyone have any idea why the show() method is not showing me the chart as expected. I tried this in both Jupyter Notebook as well as Atom and both return the HTML code. I am running Windows 7 as well.
My code:
from bokeh.plotting import figure
from bokeh.io import output_file , show
x=[1,2,3,4,5]
y=[6,7,8,9,10]
output_file("test1.html")
f=figure()
f.line(x,y)
show(f)
Returned HTML file:
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>Bokeh Plot</title>
<link rel="stylesheet" href="https://cdn.bokeh.org/bokeh/release/bokeh-0.13.0.min.css" type="text/css" />
<script type="text/javascript" src="https://cdn.bokeh.org/bokeh/release/bokeh-0.13.0.min.js"></script>
<script type="text/javascript">
Bokeh.set_log_level("info");
</script>
</head>
<body>
<div class="bk-root" id="d48bbd43-55c8-4727-befa-468754bdb0b5"></div>
<script type="application/json" id="41bd10a1-5a61-4504-80f1-8c56f40e644b">
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</script>
<script type="text/javascript">
(function() {
var fn = function() {
Bokeh.safely(function() {
(function(root) {
function embed_document(root) {
var docs_json = document.getElementById('41bd10a1-5a61-4504-80f1-8c56f40e644b').textContent;
var render_items = [{"docid":"c99a857f-320f-48ba-8576-3ef2bd47c6ce","roots":{"4da3e749-cdb4-48ed-8dc6-b78818d8f587":"d48bbd43-55c8-4727-befa-468754bdb0b5"}}];
root.Bokeh.embed.embed_items(docs_json, render_items);
}
if (root.Bokeh !== undefined) {
embed_document(root);
} else {
var attempts = 0;
var timer = setInterval(function(root) {
if (root.Bokeh !== undefined) {
embed_document(root);
clearInterval(timer);
}
attempts++;
if (attempts > 100) {
console.log("Bokeh: ERROR: Unable to run BokehJS code because BokehJS library is missing")
clearInterval(timer);
}
}, 10, root)
}
})(window);
});
};
if (document.readyState != "loading") fn();
else document.addEventListener("DOMContentLoaded", fn);
})();
</script>
</body>
</html>

Yes that will happen but is easy to resolve :
right click the (output html file) in working folder ---> hover over open with----> choose default program---> click on always open with (google chrome)
Now the next time you run your code plot will open up in chrome instead of .html file in notepad

YUI CustomEvent no errors being reported

Does anyone know how to get the below to report a javascript error? (any browser)
<head>
<title></title>
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/yui/2.6.0/build/yahoo-dom-event/yahoo-dom-event.js">
</script>
<script type="text/javascript">
ObjWithEvent = {
testEvent: new YAHOO.util.CustomEvent("testEvent")
};
ObjSubscriber = {
handleTestEvent: function(){
alert('the next line will not show up in the error console');
not_a_valid_function_bro();
}
};
ObjWithEvent.testEvent.subscribe(ObjSubscriber.handleTestEvent);
ObjWithEvent.testEvent.fire();
</script>
</head>
<body>
</body>

Possibly one of the worst chosen default settings ever.....
YAHOO.util.Event.throwErrors is set to false by default, so if you want to see errors:
YAHOO.util.Event.throwErrors = true;

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