Page 37 - JavaScript

Basic Info and String Concatenation 499

Concatenating Strings 499

String Templates 500

Escaping quotes 500

Reverse String 501

Explanation 502

Trim whitespace 503

Substrings with slice 503

Splitting a string into an array 503

Strings are unicode 503

Detecting a string 504
Comparing Strings Lexicographically 505

String to Upper Case 505

String to Lower Case 506

Word Counter 506

Access character at index in string 506

String Find and Replace Functions 507

indexOf( searchString ) and lastIndexOf( searchString ) 507

includes( searchString, start ) 507

replace( regexp|substring, replacement|replaceFunction ) 507

Find the index of a substring inside a string 508

String Representations of Numbers 508
Repeat a String 509

Character code 510

Chapter 89: Symbols 511

Syntax 511

Remarks 511

Examples 511

Basics of symbol primitive type 511

Converting a symbol into a string 511
Using Symbol.for() to create global, shared symbols 512

Chapter 90: Tail Call Optimization 513