By Vishal Basumatary in javascript — Mar 25, 2023

Javascript console log a int

Console logging is an essential part of debugging in JavaScript. It allows us to print values to the console, which can then be used to identify errors, test code, and develop new features. When it comes to logging integers in JavaScript, there are a few methods that we can use.

Method 1: Using console.log()

The most basic method of logging an integer is by using the console.log() function. Here is an example:


var num = 10; 
console.log(num);

In this example, we have assigned the integer value of 10 to the variable 'num'. We then use the console.log() function to print this value to the console. When we run this code, we will see the number '10' printed in our console.

Method 2: Converting a String to an Integer

Another way to log an integer is by converting a string to an integer. This is useful if you need to read integer values from a user input or a file. Here is an example:


var str = "20"; 
var num = parseInt(str); 
console.log(num);

In this example, we have assigned a string value of '20' to the variable 'str'. We then use the parseInt() function to convert this string into an integer and assign it to the variable 'num'. We can then use the console.log() function to print this value to the console.

Method 3: Using Template Literals

Template literals are a newer feature in JavaScript that allow us to embed expressions into strings. This can be useful when logging integers and other values. Here is an example:


var num = 30; 
console.log(`The number is ${num}`);

In this example, we have assigned the integer value of 30 to the variable 'num'. We then use a template literal to embed this value into a string. When we use the console.log() function to print this string, we will see the message "The number is 30" in our console.

These are just a few of the methods that you can use to log integers in JavaScript. Depending on your specific use case, one method may be more appropriate than the others. Experiment with different ways of logging values to the console to see what works best for you.