Note:In JavaScript, strings enclosed by backticks` `are calledtemplate literals. Access String Characters You can access the characters in a string in two ways: 1. Using Indexes One way is to treat strings as an array and access the character at the specified index. For example, letmessage ...
string-in-js provides the following functions for string manipulation: capitalizeString(string) Converts the first character of a string to uppercase. Example: const{capitalizeString}=require('string-in-js');console.log(capitalizeString('hello'));// Output: Helloconsole.log(capitalizeString('world...
charAt: returns the character at a specified positoin trim: to remove whitespace from both ends of a string Read further to learn about these methods in detail. 10 JavaScript String Methods .split() This method is used to split a string into an array of substrings based on a specified bre...
❮PreviousJavaScript StringReferenceNext❯ Examples Get thefirstcharacter in a string: lettext ="HELLO WORLD"; letletter = text.charAt(0); Try it Yourself » Get thesecondcharacter in a string: lettext ="HELLO WORLD"; letletter = text.charAt(1); ...
1. Split a string into a character array As developers, we face many situations where we need to split strings into character arrays. For example, it is one of the most asked questions in software engineer interviews. In JavaScript, there are many ways to split a string into character array...
Argument list: aStartPosition The index of the first character in the substring aLength The length of the substring */ write("截取从第2个字符开始的3个字符:"+hello.substr(1,4)+"<BR>") write("转换为大写:"+hello.toUpperCase()+"<BR>") ...
Character at index 100 is: In the above program, we have passed100as an index value. Since there is no element in index value100in"Happy Birthday to you!", thecharAt()method returns an empty string. Also Read: JavaScript String charCodeAt() ...
String 的 charCodeAt() 方法返回一个整数,表示给定索引处的 UTF-16 码元,其值介于 0 和 65535 之间。
A string object is evaluated as a single string, while a string primitive or literal is parsed. For example,"2 + 2"is just that as an object but the number 4 as a primitive or literal. Index means the position of a character in a string. The first index is 0. The last index is...
JavaScript String charAt()The charAt() method returns the character at a specified index (position) in a string:Example let text = "HELLO WORLD"; let char = text.charAt(0); Try it Yourself » JavaScript String charCodeAt()The charCodeAt() method returns the code of the character at a...