1. Strings Introduction to JavaScript
1/20/2020
Strings
Introduction to JavaScript
© Copyright 2016, Fred McClurg All Rights Reserved
Introduction to JavaScript

2. String Examples What is a string?
A series of characters between double or single quotation marks.
Examples:
"This is a string"; // double quotes
'Also a string'; // single quotes
"12"; // string not a number
'Not a string"; // mismatched (error!)
"Also not string'; // mismatched (error!)
strings.html

3. Quotes within Quotes What is a string?
A string containing double quotes can be quoted using single quotes. A string containing single quotes can be quoted using double quotes.
Examples:
// double within single quotes
'single "quoted" string';
// single within double quotes
"double 'quoted' string";
quotesInQuotes.html

4. Escaping Quotes What is an escaped quote?
Single and double quotes (and other special characters) can be escaped using the backslash “\” character.
Examples:
// double quotes escaped
"Today's word is \"perspicacious\"";
// single quote escaped
'Today\'s word is "perspicacious"';
escapingQuotes.html

5. Concatenating Strings
What is string concatenation?
The plus “+” symbol is used to join strings together.
Examples:
// long string concatenated
var conCat = "God whispers to us " +
"in our pleasures ... " +
"but shouts in our " +
"pains. -- C.S. Lewis";
console.log( conCat );
concatStr.html

6. String Type Conversion
What is string type conversion?
The plus “+” symbol is also used to convert numbers to the equivalent string.
Examples:
var count = 0; // integer
// number is converted to string
var message = "Yes we have " +
count + " bananas";
console.log( message );
strTypeConvert.html

7. Line Continuation What is line continuation?
A long line can span multiple lines via the backslash “\” character as the last character on the line.
Examples:
// spanning lines via continuation
var strCont = "The remarkable thing is, \
we have a choice everyday regarding the \
attitude we will embrace for that day. \
-- Chuck Swindoll";
console.log( strCont );
lineCont.html