The let and var, both keywords are used to declare a variable in JavaScript. So now the question arrives what the difference between them is. So before the ES6 release, JavaScript only had the “var” keyword to declare variables.  JavaScript let vs var The main difference between let vs var in JavaScript is that the let … Read more

Programmers often have to use different types of technologies to build websites. For example, JavaScript is a very flexible and portable language that can be used in the case of backend and front-end frameworks. Later another technology called TypeScript was developed. JavaScript is a multi-paradigm and a dynamic programming language, whereas TypeScript is a static … Read more

JavaScript setTimeout() is a built-in function that calls a function after several milliseconds. The setTimeout() function waits for the given time and executes the function again and again. This article is all about learning the JavaScript setTimeout() function. The setTimeout() function works almost like the setInterval() function. Syntax setTimeout(func, delay in millisecond); Parameters This function … Read more

To get an index of an element in JavaScript, use the indexOf() function. JavaScript array indexOf() is a built-in method that returns the first index at which a given element can be found in the array, or -1 if it is not present. Syntax indexOf(search,startingIndex); Parameters Search – We need to provide the search value in this … Read more

To comment multiple lines in JavaScript, use the /* */. Multiple line comments are used to prevent the execution of many lines of code. Javascript multiline comments, also known as block comments, start with a forward slash followed by an asterisk (/*) and end with an asterisk followed by a forward slash (*/). Syntax /* This is … Read more

To escape special characters in JavaScript, use the encodeURIComponent() method. The encodeURIComponent() is a built-in JavaScript function that encodes a URI by replacing each instance of certain characters with one, two, three, or four escape sequences representing the UTF-8 encoding of the character. Syntax encodeURIComponent(uriComponent); Parameters uri – We can pass any data types like … Read more

To remove the first character from the string in JavaScript, use the slice() method. The string.slice() is a built-in JavaScript method that extracts a part of a string. The slice() method returns the extracted part in a new string. The slice() method does not change the original string. Syntax string.slice(startIndex, endIndex); Parameters start index –  It is … Read more

To get the last character of a string in JavaScript, use the charAt() method. JavaScript charAt() is a built-in String function that returns the character at a specified index (position) in a string. Syntax charAt(index) Parameters index –  It takes one parameter called index, between 0 and string.length-1. If we pass an index that is not valid, then … Read more

To get the first character of a string in JavaScript, use the charAt() function. The charAt() is a built-in JavaScript method that returns the character at a specified index (position) in a string. Syntax charAt(index) Parameters index –  It takes one parameter called index, between 0 and string.length-1. If we pass an index that is … Read more

To get a character from a string in JavaScript, use the charAt() method. The String charAt() is a built-in JavaScript function that returns a character from a string at the specified index. Syntax charAt(index) Arguments The charAt() function takes am index. The index is what we need to pass, which is between 0 and string.length-1. If … Read more