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Troubleshoot JavaScript Error In Object Window

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In this user guide, we are going to identify some of the possible causes that can cause a JavaScript error in the object window, and then point out some possible solutions to this problem. The widget is supported by all browsers. It represents a browser window. All JavaScript global objects, functions, and variables automatically become members of the widget. Global variables are properties of the widget. Global functions are widget methods.

The widget is supported by all browsers. It represents a browser window. All JavaScript global objects, functions, and variables automatically become members of the widget. Global variables are properties of the widget. Global functions are widget methods.

 

 

The error event is raised for the Window object if the resource cannot be loaded or cannot be used, for example B. when the script has a runtime error.

object window javascript error

The event object is a UIEvent instance if it was created from a user interface element, or an Event instance otherwise.

HTML

  

JS

  const log = document.querySelector ('. event log content');window.addEventListener ('error', (event) => {    log.textContent = log.textContent   `$ {event.type}: $ {event.message}  n`;    console.log event});const scriptError = document.querySelector ('# script error');scriptError.addEventListener ('click', () => {    const badCode = 'const s;';    eval (badCode);}); 

Result

  • This event in the target element : error
  • event

What If An Error Occurs?

Obviously, if you visit a website that displays an error, it is not necessary to fix it.it is possible. However, if you are feeling generous, you can contact the webmaster and let them know. You can still view the page (turning off automatic error messages makes it easy), but what the script is supposed to do won’t work. This may or may not affect the functionality of the page.

If you’re a webmaster, you should understand what the error message says and fix the problem. Read on ….


Widget Methods

method Description
alert () Displays a warning window with a message and an OK button
atob () Decode base 64 encoded string
blur () Remove focus from current window
btoa () Encode string to Base-64
clearInterval () Remove timer defined with setInterval ()
clearTimeout () Remove timer defined with setTimeout ()
close () Close current window
confirm () Displays a dialog box withmessage and OK and Cancel buttons
focus () Set focus to current window
getComputedStyle () Retrieves the currently computed CSS styles that are applied to the element
getSelection () Returns a selection object representing the range of text selected by the user.
matchMedia () Returns a MediaQueryList object representing the specified CSS media query string
moveBy () Moves the window relative to its current position
moveTo () Move window to specified position
open () Opens a new browser window
print () Print the contents of the current window
invite () Displays a dialog box asking the visitor for input
requestAnimationFrame () asks the browser to first call a function to update the animation next repainting
resizeBy () Resize the window to specified pixels
resizeTo () Resize window n specified width and height
scroll () Exceeded. This method has been superseded by the scrollTo () method.
scrollBy () Scrolls the document by the specified number of pixels
scrollTo () Scroll the document to the specified coordinates
setInterval () Calls a function or evaluates an expression at specified intervals (in milliseconds).
setTimeout () Calls a function or evaluates an expression after a specified number of milliseconds
stop () Stop loading window

 

 

What is a JavaScript error message?

Most internet users have encountered an annoying JavaScript error at some point. This happens when the script on the web page contains an error or does not work correctly. What exactly happens depends on the browser and the type of error. However, in most cases, some sort of error notification will be displayed.

How do I find JavaScript errors?

Press Command Option J (Mac) or Ctrl Shift J (Windows, Linux, Chrome OS) to go directly to the Chrome DevTools console window. Or go to More Tools> Developer Tools in the Chrome menu and go to the Console tab. The error console will open. If you don’t see any errors, please reload the page.

What method can be used with a window object in JavaScript?

Widget methods

Method Description
moveTo () Move the window to the specified position
open () Opens a new browser window
print () Print the contents of the current window
prompt () Displays a dialog asking the visitor for input.