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JavaScript console.log() Method

JavaScript console.log() Method 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("");

Parameters:

It accepts a parameter that can be an array, an object, or any message. 



Return value:

It returns the value of the parameter given. 

These are the following ways to use the console.log() method:



Passing a number as an argument

If the number is passed to the function console.log() then the function will display it.

Example: 




let a = 2;
console.log(a);

Output:

Passing a string as an argument

If the string is passed to the function console.log(), then the function will display it.

Example: 




let str = "GeeksforGeeks";
console.log(str);

Output:

Passing a char as an argument

If the char is passed to the function console.log(), then the function will display it. 

Example: 




let ch = '2';
console.log(ch);

Output: 

 

Passing a message as an argument

If the message is passed to the function console.log(), then the function will display the given message.

Example: 




console.log("GeeksforGeeks");

Output:

Passing a function as an argument

If the function is passed to the function console.log(), then the function will display the value of the passed function.

Example: 




function func() { return (5 * 19); }
console.log(func());

Output:

Passing a number with the message as an argument

If the number is passed to the function console.log(), then the function will display it along with the given message. 

Example: 




let a = 2;
console.log("The value of a is " + a);

Output:

Passing a string with the message as an argument

If the string is passed to the function console.log(), then the function will display it along with the given message. 

Example: 




let str = "GeeksforGeeks";
console.log("The value of str is " + str);

Output:

 Passing a char with the message as an argument

If the char is passed to the function console.log(), then the function will display it along with the given message. 

Example: 




let ch = '2';
console.log("The value of ch is " + ch);

Output:

 Supported Browsers:

It is supported by all browsers.

JavaScript is best known for web page development but it is also used in a variety of non-browser environments. You can learn JavaScript from the ground up by following this JavaScript Tutorial and JavaScript Examples.


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