How to round a number to two decimal places in JavaScript

How to round a number to two decimal places in JavaScript

The rounding of numbers is an essential part of programming languages. Rounding refers to the process in which a number is made simpler, but its value is kept close to the initial value. It aids in estimating and utilizing a number according to the user’s needs. Users can, therefore, round numbers to 2 decimal places by using different methods in JavaScript.

How to get the current date and time in JavaScript

How to get the current date and time in JavaScript

When developing web applications, it is necessary to include the current date and time on which a particular operation was performed according to the user’s local zone. This requirement can be filled out using the date class. For instance, when you submit data via a form, you may want to include the date that the data was created or when the data was submitted.

How to compare strings in JavaScript

How to compare strings in JavaScript

When programming in JavaScript, you will encounter various situations where you must compare two strings before performing an operation. For instance, a user can only log in to a website if its name matches the existing names stored in the database. In such situations, the ‘Strict Equality Operator’ compares the strings. The functionality of comparison in JavaScript is not only limited to value-based comparisons. Strings are compared for various reasons. Some of the reasons include the following:

Seaborn Heatmap Size

Seaborn Heatmap Size

A heatmap is used to create a visual depiction of a matrix. It draws a matrix on the graph, with different color hues representing different values. We can utilize the seaborn to generate heatmap plots in the seaborn module.heatmap() function. The default size of the plot may not provide a good picture of the data when depicting a huge matrix.

Strings in JavaScript

Strings in JavaScript

A sequence of characters is represented and manipulated using the String object. You can use Strings to store data that can be represented as text. Checking the length of a string, building and concatenating it with the plus and += string operators, checking for substrings’ existence or location with the indexOf() method, and extracting substrings with the substring() method are some of the most common operations on strings.