A string has many meanings to it that can including a string chain of beads or a guitar string. It is nothing but a series that contains varied things connected in an orderly way.
For example, we can say we have a string of cars or even a string of DNAs. As cool as it sounds, computer languages define a string as a sequence of letters, words, or symbols.
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What is a string in JS?
JS strings in javascript happens to be a character string that involves multiple letters, numbers, or even symbols. It has become the primary data type that does not change no matter what. A JS string occurs as an ideal way of communicating through the devices through texts.
The output of JS strings
How to create a JS string?
There arises three familiar ways to form a string that can be within single, double quotes, and backticks.
The quotes should be on two sides as both types are only similar.
Though the usage of this one must be relevant and constant as well.
The final way of producing a string would be within the backticks called template literal.
How to find the output of a string in JS?
Regardless, every string quote gives us the desired results.
Ex- ‘The great string.’; “The great string.”; `The great string`;To find out the output, you need to write the code to print it to the console via console log() ;Console log(‘The great string.’); and the output will be The great string.You can also key in via the alert();, but the alert makes it rare because of the difficulty of closing it.
How to store the strings as variables?
Did you know that we can identify the variable as a container too? The one that stores the value of characters or numbers.
We already read the variable keywords as follows- var, const, or let.
If the const superString = ‘The string has been stored in the const variable.’;
Here the superString name variable has a specific string we can get the output using console log(superString);
Hence the outcome - The string has been stored in the const variable.
This allows us to do simple tasks and avoid retyping the whole string repeatedly. All you need to do is to write the variable names and so on.
Concatenation of strings in Javascript
Concatenation might look like a big word but it has the equal meaning as the conjunction.
Although the concatenation is used to join two strings or more than that it goes by the symbol of ‘+’.
Whereas the ‘+’ has been known as the addition operator in the arithmetic operations in JS.
An easy example must be “green ” + “color.” and the output = green color.
Likewise, we can even attach the variables and strings with the aid of concatenation.
Ex-
const initial = “M '' ;
const name = “Mridhula.'' ;
const myself = “My name is “ and I left the white space after M for spacing.Output = My name is M Mridhula.There we go, we built a new string that we can apply for the entire program.
Commands of quotes, apostrophes, and newlines inside the strings
Have you ever wondered about the fact that apostrophes and quotes arise as quotation marks in English? Yes, we have that for quoting an important phrase or sentence. However, we normally allot the quotes and apostrophes now in JS.
In short words. If we put the quote or apostrophe inside the string quotation then the string ends. The JS parses the rest of the sentence as a code and shows an error. Simply, we can solve this riddle by writing the strings with quotes in three major ways respectively.
Opposite string syntax-
“I’m safely writing my name in the string.” and the single quote can be coded in the double quotes.
‘As “Hermione”.’ ; We can do this for quoting a single quote string.
Escape characters-
The escape character denotes the backslash (\).
The \’ often means single quote ‘ in the JS.
The \” goes with the two quotation marks in turn.
“I\’m safely writing my name in the string.” or let's quote ‘As \“Hermione\”.’ ;
Template literals-
The template literals can be well written in the backticks (`) you know. Ex- `The female lead of Harry pottPotteries is “Hermoine“.` ;
It can also be programmed to support new lines or multi-lines as well.
Newlines-
Newlines will be inserted in the strings whenever necessary so that it becomes long strings.
Newline goes with the symbol of \n or \r and the escape symbol comes along with them to join a new line code.
Ex-
const multi-lines = “I’m notifying the string\nthat contains two lines. ”;
Output = I’m notifying the string that contains two lines.We have learned the basic things about the javascript strings so far. It's time to take it one step further to learn the foundation of the evergreen JS. JS has so many attributes, operations, methods, properties, and objects.
Javascript has one of the simplest string functions that you can work with effortlessly. It has also been embedded in NASA and I am sure you would not want to miss it. It has been seen that computer AI and cyber technology have become superior in no time.
No wonder all the school and college students need to make the most out of it. We also have course and internship training programs in AI, cyber security, cloud-based systems, and everything related to that. Have a word with us just to know the general things since we help several students and aspirants like you.
FAQs
What is the crucial difference between the string and the number?
String | Number |
Strong stands as a strand of characters that may have letters, numbers, or even symbols. Ex: const series = "a new string." ; | The number continues as a value of a variable in numerical order. Ex: const a = 9; |
What is the string object?
You need to produce the string object syntax via a new keyword.
For eg: var name = new String ("This is the string object.");
Here the new keyword is obtained to generate a string sample.
What are string methods in JS?
In Javascript, strings become the primary data type rather than an object. Hence it doesn't seem to have any methods. Regardless, the JS treats the strings as objects at the time of methods so it can be a built-in as well. Ex: lowercase method returns a lowercase string involving all lowercase letters.
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