Quick Answer: What is the difference between console log and document write in JavaScript?

What is console log in JavaScript?

The console. log() is a function in JavaScript which is used to print any kind of variables defined before in it or to just print any message that needs to be displayed to the user. Syntax: console. log(A);

What is Document write in JavaScript?

write() The Document. write() method writes a string of text to a document stream opened by document.

What is the difference between using the write command and using the console log command?

log puts the data on the standard output (file descriptor number 1). response. write write the data on the response object, whatever it is.

What is the need to have console log even when there is document write?

log() is used to for debugging purpose. While document. write() is used when you want some thing to be written on DOM of browser.

How do you read a console log?

View and save your browser console logs

  1. Open the main Chrome menu.
  2. Select More Tools > Developer Tools.
  3. Depending on which logs you need, you’ll select the Network or Console Tab to get the logs you need.
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How do I find the console log?

Steps to Open the Console Log in Google Chrome

By default, the Inspect will open the “Elements” tab in the Developer Tools. Click on the “Console” tab which is to the right of “Elements”. Now you can see the Console and any output that has been written to the Console log.

Where do you write JavaScript?

You can use the JavaScript Console from Google Chrome . Go on Chrome and Press the key sequence: CTRL+SHIFT+j for Windows or CMD+OPT+j for Mac. You can write JavaScript on any editor just like Ruby and then paste it to the JS Console.

What is the use of document write?

The write() method in HTML is used to write some content or JavaScript code in a Document. This method is mostly used for testing purpose. It is used to delete all the content from the HTML document and inserts the new content. It is also used to give the additional text to an output which is open by the document.

Why do we use document write in JS?

write() in javascript. This is used to display a given text in a web page. This is mainly used for testing purpose.

How do I use console log?

You should use the console. log() method to print to console JavaScript. The JavaScript console log function is mainly used for code debugging as it makes the JavaScript print the output to the console. To open the browser console, right-click on the page and select Inspect, and then click Console.

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Why do we use console log?

console. log specifically is a method for developers to write code to inconspicuously inform the developers what the code is doing. It can be used to alert you that there’s an issue, but shouldn’t take the place of an interactive debugger when it comes time to debug the code.

Is document write and console log?

console. log(“”) outputs whatever is passed as the parameter. document. write(“”) adds whatever you want to html.

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