JavaScript string Variables in JavaScript are named containers that store a text value. For a variable to be a string type, the value assigned should be given in quotes.
A number within quotes will be considered only a string and not an integer.
var a = "Hello";
var b = "100";JavaScript variable in a string
Simple example code.
<!DOCTYPE html>
<html>
<body>
<script>
var as = "This is 'a' 'String Test'";
document.write(as);
</script>
</body>
</html>
Output:
Special Characters: To use the special characters like tab, newline, backspace, double quotes, etc.. in string variables the following format should be used
| Character | Code to be used |
| Single Quote | ‘ |
| Double Quote | \” |
| Backslash | \ |
| Horizontal Tab | t |
| New Line | n |
| Back Space | b |
| Carriage Return | r |
Creating multiline strings in JavaScript
ECMAScript 6 (ES6) introduces a new type of literal, namely template literals. They have many features, and variable interpolation among others, but most importantly for this question, they can be multiline.
Backticks delimit a template literal:
var html = `
<div>
<span>Some HTML here</span>
</div>
`;Javascript doesn’t have a here-document syntax. You can escape the literal newline, however, which comes close:
"foo \
bar"JS variable inside a string
You can include a variable value inside a string using string interpolation or concatenation.
var my_name = 'John';
var s = `hello ${my_name}, how are you doing`;
console.log(s); // prints hello John, how are you doingComment if you have any doubts or suggestions on this Js variable topic.
Note: The All JS Examples codes are tested on the Firefox browser and the Chrome browser.
OS: Windows 10
Code: HTML 5 Version