JavaScript Strings - How To Work with Strings in JavaScript
JavaScript Strings
- A JavaScript string is a sequence of characters enclosed within single quotes ('') or double quotes (""). It is a data type used to represent and manipulate text in JavaScript.
JavaScript Strings Example 1
- A JavaScript string is zero or more characters written inside quotes.
Sample Code
<!DOCTYPE html>
<html>
<body>
<h2>JavaScript Strings</h2>
<p id="demo"></p>
<script>
let text = "kaashiv infotech"; // String written inside quotes
document.getElementById("demo").innerHTML = text;
</script>
</body>
</html>Output
JavaScript Strings
kaashiv infotech
JavaScript Strings Example 2
- You can use single or double quotes.
Sample Code
<!DOCTYPE html>
<html>
<body>
<h1>JavaScript Strings</h1>
<p>Strings are written inside quotes. You can use single or double quotes:</p>
<p id="demo"></p>
<script>
let Name1 = "venkat"; // Double quotes
let Name2 = 'praveen'; // Single quotes
document.getElementById("demo").innerHTML =
Name1 + " " +Name2;
</script>
</body>
</html>
Output
JavaScript Strings
Strings are written inside quotes. You can use single or double quotes:
venkat praveen
String Length
- To find the length of a string, use the built-in length property.
Sample Code
<!DOCTYPE html>
<html>
<body>
<h1>JavaScript Strings</h1>
<h2>The length Property</h2>
<p>The length of the string is:</p>
<p id="demo"></p>
<script>
let text = "qwertyuiopasdfghjklzxcvbnm";
document.getElementById("demo").innerHTML = text.length;
</script>
</body>
</html>
Output
JavaScript Strings
The length Property
The length of the string is:
26Escape Character
- Strings must be written within quotes, JavaScript will misunderstand this string.
Sample Code
<!DOCTYPE html>
<html>
<body>
<h2>JavaScript Strings</h2>
<p>The escape sequence " " inserts a double quote in a string.</p>
<p id="demo"></p>
<script>
let text = "We are the so-called \"Vikings\" from the north.";
document.getElementById("demo").innerHTML = text;
</script>
</body>
</html>
Output
JavaScript Strings
The escape sequence " " inserts a double quote in a string.
We are the so-called "Vikings" from the north.