In this tutorial, we are going to learn about how to get the last n characters of a string in JavaScript. reactgo.com recommended courseJavaScript - The Complete Guide 2023 (Beginner + Advanced) Consider, we have a string like this: const name = "Bentley"; Getting the last n characters...
You can use the slice() method to get the last N characters of a string in JavaScript, passing -n as a negative start index. For example, str.slice(-2) returns a new string containing the last 2 characters of the string. const str = 'JavaScript' const last2 = str.slice(-2) ...
Like theslice()method, thesubstring()method accepts start and end indices as its parameters. But instead of passing a negative number, you need to subtract the N characters from thelengthproperty of the string: constname='Nathan';// Remove the last 3 characters from a stringconstremove3=name...
You can even use this approach to get the last N characters of a string: const str = 'JavaScript' const last2 = str.slice(-2) console.log(last2) // pt const last4 = str.slice(-4) console.log(last4) // ript const last6 = str.slice(-6) console.log(last6) // Script Get...
JavaScript 入门指南(全) 原文:Beginning JavaScript 协议:CC BY-NC-SA 4.0 一、JavaScript 简介 这些年来,avaScript 发生了很大变化。我们目前正处于一个 JavaScript 库的时代,你可以构建任何你想构建的东西。JavaScri
conststr="JavaScript is Awesome";//convert to an array of single characters.str.split("");// returns ["J", "a", "v", "a", "S", "c", "r", "i", "p", "t", " ", "i", "s", " ", "A", "w", "e", "s", "o", "m", "e"]//convert to an array of words...
6.4 Never use eval() on a string; it opens too many vulnerabilities. eslint: no-eval 6.5 Do not unnecessarily escape characters in strings. eslint: no-useless-escape Why? Backslashes harm readability, thus they should only be present when necessary. // bad const foo = '\'this\' \i\s...
str="JavaScript is more fun than \nJava or JavaBeans!" "JavaScript is more fun than Java or JavaBeans!"rep=/^Java\w*/g;/^Java\w*/g rep.exec(str); ["JavaScript", index: 0, input: "JavaScript is more fun than ↵Java or JavaBeans!", groups: undefined] ...
Line.getTerminator() returns the terminator character(s) of the line. The last line in a file may not have any terminator characters, in which case this predicate does not return anything; otherwise it returns either the two-character string "\r\n" (carriage-return followed by newline), ...
This expression assigns two numeric field values to their own variables, evaluates them, and returns a string value. Arcade's When() function is used to evaluate the wind direction (between 0-360 degrees), which returns the associated compass direction of either N, NE, E, SE, S, SW, W...