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JavaScript console.log() Method

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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: 

javascript




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: 

javascript




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: 

javascript




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: 

javascript




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: 

javascript




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: 

javascript




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: 

javascript




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: 

javascript




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.



Last Updated : 29 Nov, 2023
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