The motivation for writing this book was the lack of resources available about data $ {$ ^, s1 v0 J* I9 V* s% rstructures and algorithms written in JavaScript. This was strange to me because( D& A5 x. K( H9 b6 b* K
today many of the job opportunities for software development require knowledge of4 E7 e0 c( ?- Y/ V `7 M; q' a. v1 C8 K
JavaScript; it is the only language that can be used to write the entire stack, including the7 O' Q7 X1 Q+ F( _+ N
front-end, mobile (native and hybrid) platforms, and back-end. It is crucial for JavaScript; z, f* s- g! a( R1 `
developers to understand how data structures work and how to design algorithms to/ k. j! E$ G" y& y8 r L
build applications.* t' G- f/ c: G m5 Q
Therefore, this book aims to teach data structure and algorithm concepts from, W- a( z. `/ d
computer science for JavaScript rather than for the more typical Java or C++. Because T; l5 G" v- ` e8 ?JavaScript follows the prototypal inheritance pattern, unlike Java and C++ (which follow9 N: p; b: e: G7 ^: d
the inheritance pattern), there are some changes in writing data structures in JavaScript.8 v, V) _: T( e: d6 S" V
The classical inheritance pattern allows inheritance by creating a blueprint-like% K) Q3 J# b' o, w+ a( X4 n$ f
form 9 r) y- z) T% f/ jthat objects follow during inheritance. However, the prototypal inheritance pattern0 e* R* m1 A% l1 D. q! R
means copying the objects and changing their properties. , b" U$ [+ Y" }This book first covers fundamental mathematics for Big-O analysis and then lays out% E; S. V4 x% o( k: j% w& l
the basic JavaScript foundations, such as primitive objects and types. Then, this book! c, \; x4 ]/ g( k# \+ H
covers implementations and algorithms for fundamental data structures such as linked+ L; E, C: j3 b0 p
lists, stacks, trees, heaps, and graphs. Finally, more advanced topics such as efficient2 g: L+ b9 S8 V& }$ W* Q# J
string search algorithms, caching algorithms, and dynamic programming problems are! q: a8 N9 F9 K( f! P
explored in great detail.* X# {: _8 A1 g
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