Learning PHP, MySQL, JavaScript, CSS & HTML5, 3rd Edition

Index

Symbols

! (Not) logical operator

in JavaScript, Logical Operators, Logical operators

in PHP, Logical operators, Logical operators

!= (inequality) comparison operator

in JavaScript, Comparison Operators

in PHP, Comparison operators, Equality

!== (not identical) comparison operator (JavaScript), Comparison Operators

" (quotation marks, double)

in JavaScript, String Variables

in MySQL, Windows users

in PHP, String types

# symbol, Preventing SQL Injection, Using IDs

$ (dollar sign)

JavaScript variables, Variables, Another Use for the $ Symbol

PHP variables, The $ symbol, Constants, Accessing Objects

in regular expressions, Some more complicated examples

$ operator (CSS), The $ Operator

% (modulus) operator

in JavaScript, Arithmetic Operators

in PHP, Arithmetic operators

%= (modulus) assignment operator

in JavaScript, Assignment Operators

in PHP, Assignment operators

&& (And) logical operator

in JavaScript, Logical Operators, Logical operators

in PHP, Logical operators, Logical operators

' (quotation marks, single)

in JavaScript, String Variables

in PHP, String types

() (parentheses)

grouping regular expressions, Grouping through parentheses

operator precedence and, Operator Precedence, Operator Precedence

PHP functions and, PHP Functions

* (asterisk), Matching through metacharacters, The Universal Selector

* (multiplication) operator

in JavaScript, Arithmetic Operators

in PHP, Arithmetic operators

* (wildcard) operator (CSS), The * Operator

*= (multiplication) assignment operator

in JavaScript, Assignment Operators ...