How to Split a String in JavaScript

The split method spilt the string into array of substring based on the pattern provided.

Example

let numbersStr = "1,2,3,4,5";

let numArray = numbersStr.split(",");
console.log(numArray); // ["1","2","3","4","5"]

In the above example , the split method will loop through all the character of the string , if the pattern provided is found then the split method will collect the characters looped before finding the pattern and join all the characters as a string and pushed that string into an array .

If we don’t pass any pattern then the entire string will be pushed to an array and returned

numbersStr.split(); // ["1,2,3,4,5"]; 

If the pattern passed is the first character of the string , then an empty stirng is pushed into the array .

numbersStr.split("1"); // ["", "2,3,4,5"]

Also if the pattern passed is the last character if string , then an empty string is pushed to the resultant array.

numbersStr.split("5")' // ["1,2,3,4", ""]

If we pass pattern as empty string the each character of the string is splitted and pushed into array

numbersStr.split("");
//  ["1", ",", "2", ",", "3", ",", "4", ",", "5"]

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JavaScript Strings Tutorial

JavaScript Strings

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Javascript String Split Example | Javascript String.split()

Javascript string split() is an inbuilt function that is used to split the string into an array of the substring and returns a new collection.  If the empty string (“”) is used as the separator, the string is split between each character. The split() method does not mutate the original string.

Javascript string split example

The syntax is following for String Split Example.

string.split(separator, limit)

Syntax Explanation

Arguments

The first argument to the split function is the string which specifies the points where the split has to take place.

This argument can be treated as a simple string or as a regular expression. If the separator is unspecified, then the whole string becomes a single array element.

The same thing also happens when a separator is not present in the string. If the separator is an empty string (“”), then every character of the string is separated.

The second argument to a function limit defines an upper limit on the number of splits to be found in a given string. If a string remains unchecked after a threshold or limit is reached, then it is not reported in an array.

#javascript #javascript string.split #regular expression

Convert String To Array Using Javascript Split Method

The easiest approach to use javascript built-in method String.split().

#javascript #javascript string #string to array #morioh #array

Javascript String Split Example | String.prototype.split()

Javascript string split() is an inbuilt function that splits the String object into an array of strings by separating a string into substrings, using a specified separator string to determine where to make each split. The string split() function is used to split the given  string into an  array of strings by separating it into substrings using a specified separator provided in the argument.

Javascript string split() method returns a new array. At each match of the separator .split() method will split the string and add the split section as an element to an array.

Javascript string split example

If an empty string (”) is used as the separator, the string is split between each character. The string split() method does not change an original string. The syntax for the split() method is the following.

string.split(separator, limit)

The separator is an optional parameter. The separator specifies a character, or a regular expression, to use for splitting a string. If omitted, then the entire string will be returned.

The limit is an optional parameter. It is an integer that specifies the number of splits, items after the split limit will not be included in the array.

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What is JavaScript - Stackfindover - Blog

Who invented JavaScript, how it works, as we have given information about Programming language in our previous article ( What is PHP ), but today we will talk about what is JavaScript, why JavaScript is used The Answers to all such questions and much other information about JavaScript, you are going to get here today. Hope this information will work for you.

Who invented JavaScript?

JavaScript language was invented by Brendan Eich in 1995. JavaScript is inspired by Java Programming Language. The first name of JavaScript was Mocha which was named by Marc Andreessen, Marc Andreessen is the founder of Netscape and in the same year Mocha was renamed LiveScript, and later in December 1995, it was renamed JavaScript which is still in trend.

What is JavaScript?

JavaScript is a client-side scripting language used with HTML (Hypertext Markup Language). JavaScript is an Interpreted / Oriented language called JS in programming language JavaScript code can be run on any normal web browser. To run the code of JavaScript, we have to enable JavaScript of Web Browser. But some web browsers already have JavaScript enabled.

Today almost all websites are using it as web technology, mind is that there is maximum scope in JavaScript in the coming time, so if you want to become a programmer, then you can be very beneficial to learn JavaScript.

JavaScript Hello World Program

In JavaScript, ‘document.write‘ is used to represent a string on a browser.

<script type="text/javascript">
	document.write("Hello World!");
</script>

How to comment JavaScript code?

• For single line comment in JavaScript we have to use // (double slashes)
• For multiple line comments we have to use / * – – * /

<script type="text/javascript">

//single line comment

/* document.write("Hello"); */

</script>

Advantages and Disadvantages of JavaScript

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