Beginner’s Essential Javascript Cheat Sheet

Beginner s Essential Javascript Cheat Sheet The language of the web. Table of Contents Javascript Basics 2 Variables 2 Arrays 3 Operators 4 Functions 5 Loops 7 If - Else Statements 7 Strings 7 Regular Expressions 9 Numbers and Math 10 Dealing with Dates 12 DOM Node 14 Working with the Browser 18 Events 21 Errors 27 - Beginner s Javascript Cheat Sheet 1 Javascript Basics Including Javascript in an HTML Page <script type="text/ Javascript "> //JS code goes here </script> Call an External Javascript File <script src=" "> </script> <code> </code> Including Comments // Single line comments /* comment here */ Multi-line comments Variables var, const, let var The most common variable.

O p e ra t o rs 4 F u n ct i o n s 5 L o o p s 7 I f - E l se S t a t e me n t s 7 S t ri n g s 7 Re g u l a r E xp re ssi o n s 9 Nu mb e rs a n d Ma t h 1 0 De a l i n g wi t h Da t e s 1 2 DO M No d e 1 4 W o rki n g wi t h t h e B ro wse r 1 8 E ve n t s 2 1 E rro rs 2 7

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