opkpapers.blogg.se

switch – show you how to replace multiple if statements when comparing a value with multiple variants by using the switch statement.Ternary operators – show you how to make a shortcut for the if statement ( ?:).if…else…if – check multiple conditions and execute a block.if…else – learn how to execute a block of code based on a specified condition.if – show you how use the if statement to execute a block if a condition is true.Exponentiation operator – introduce you to the exponentiation operator ( **) that calculates a base to the exponent power, which is similar to Math.pow() method.Nullish coalescing operator ( ?) – accept two values and return the second value if the first one is null or undefined.Logical assignment operators – introduce to you the logical assignment operators, including ||=, &=, and ?=.Logical operators – learn how to use the logical operators: NOT ( !), AND ( &), and OR ( ||).Comparison operators – show you how to use comparison operators to compare two values.Unary operators – learn how to use unary operators.Assignment operators – guide you on how to use assignment operators ( =) to assign a value or an expression to a variable.

Remainder operator – show you how to use the remainder operator ( %) to get the remainder left over when one value is divided by another value.Arithmetic operators – introduce to you the arithmetic operators including addition ( +), subtraction ( -), multiplication ( *), and division ( /).

reference values – understand two value types in JavaScript, including primitive and reference values, and the differences between them. Object – introduce you to the object type.String – learn about string primitive type and some basic string operations.Boolean – introduce you to the Boolean type.Octal & binary literals – provide support for binary literals and change the way to represent octal literals.Numeric Separator– show you how to make the numbers more readable by using underscores as numeric separators.Number – learn how JavaScript use the Number type to represent the integer and floating-point numbers.Data types – introduce to you the JavaScript data types, including primitive and reference types.Variables – show you how to declare variables.Syntax – explain the JavaScript syntax, including whitespace, statements, identifiers, keywords, expressions, and comments.