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| Language Element |
Description |
| $1...$9 Properties | Returns the nine most-recently memorized portions found during pattern matching. |
| arguments Property | Returns an array containing each argument passed to the currently executing function. |
| caller Property | Returns a reference to the function that invoked the current function. |
| constructor Property | Specifies the function that creates an object. |
| description Property | Returns or sets the descriptive string associated with a specific error. |
| E Property | Returns Euler's constant, the base of natural logarithms. |
| index Property | Returns the character position where the first successful match begins in a searched string. |
| Infinity Property | Returns an initial value of Number.POSITIVE_INFINITY. |
| input Property | Returns the string against which a search was performed. |
| lastIndex Property | Returns the character position where the last successful match begins in a searched string. |
| length Property (Array) | Returns an integer value one higher than the highest element defined in an array. |
| length Property (Function) | Returns the number of arguments defined for a function. |
| length Property (String) | Returns the length of a String object. |
| LN2 Property | Returns the natural logarithm of 2. |
| LN10 Property | Returns the natural logarithm of 10. |
| LOG2E Property | Returns the base-2 logarithm of e, Euler's constant. |
| LOG10E Property | Returns the base-10 logarithm of e, Euler's constant. |
| MAX_VALUE Property | Returns the largest number that can be represented in JScript. |
| MIN_VALUE Property | Returns the number closest to zero that can be represented in JScript. |
| NaN Property (Global) | Returns the special value NaN indicating that an expression is not a number. |
| NaN Property (Number) | Returns the special value (NaN) indicating that an expression is not a number. |
| NEGATIVE_INFINITY Property | Returns a value more negative than the largest negative number (-Number.MAX_VALUE) that can be represented in JScript. |
| number Property | Returns or sets the numeric value associated with a specific error. |
| PI Property | Returns the ratio of the circumference of a circle to its diameter, approximately 3.141592653589793. |
| POSITIVE_INFINITY Property | Returns a value larger than the largest number (Number.MAX_VALUE) that can be represented in JScript. |
| prototype Property | Returns a reference to the prototype for a class of objects. |
| source Property | Returns a copy of the text of the regular expression pattern. |
| SQRT1_2 Property | Returns the square root of 0.5, or one divided by the square root of 2. |
| SQRT2 Property | Returns the square root of 2. |
| Language Element |
Description |
| break Statement | Terminates the current loop, or if in conjunction with a label, terminates the associated statement. |
| catch Statement | Contains statements to execute when an error occurs in code within the try block. |
| @cc_on Statement | Activates conditional compilation support. |
| // (Single-line Comment Statement) | Causes single-line comments to be ignored by the JavaScript parser. |
| /*..*/ (Multiline Comment Statement) | Causes multiline comments to be ignored by the JavaScript parser. |
| continue Statement | Stops the current iteration of a loop, and starts a new iteration. |
| do...while Statement | Executes a statement block once, and then repeats execution of the loop until a condition expression evaluates to false. |
| for Statement | Executes a block of statements for as long as a specified condition is true. |
| for...in Statement | Executes one or more statements for each element of an object or array. |
| function Statement | Declares a new function. |
| @if Statement | Conditionally executes a group of statements, depending on the value of an expression. |
| if...else Statement | Conditionally executes a group of statements, depending on the value of an expression. |
| Labeled Statement | Provides an identifier for a statement. |
| return Statement | Exits from the current function and returns a value from that function. |
| @set Statement | Creates variables used with conditional compilation statements. |
| switch Statement | Enables the execution of one or more statements when a specified expression's value matches a label. |
| this Statement | Refers to the current object. |
| throw Statement | Generates an error condition that can be handled by a try...catch statement. |
| try Statement | Implements error handling for JScript. |
| var Statement | Declares a variable. |
| while Statement | Executes a statement until a specified condition is false. |
| with Statement | Establishes the default object for a statement. |
| Language Element |
Description |
| ActiveXObject Object | Enables and returns a reference to an Automation object. |
| Array Object | Provides support for creation of arrays of any data type. |
| Boolean Object | Creates a new Boolean value. |
| Date Object | Enables basic storage and retrieval of dates and times. |
| Dictionary Object | Object that stores data key, item pairs. |
| Enumerator Object | Enables enumeration of items in a collection. |
| Error Object | An object that contains information about errors that occur while JavaScript code is running. |
| FileSystemObject Object | Provides access to a computer's file system. |
| Function Object | Creates a new function. |
| Global Object | An intrinsic object whose purpose is to collect global methods into one object. |
| Math Object | A intrinsic object that provides basic mathematics functionality and constants. |
| Number Object | An object representation of the number data type and placeholder for numeric constants. |
| Object Object | Provides functionality common to all JavaScript objects. |
| RegExp Object | Stores information on regular expression pattern searches. |
| Regular Expression Object | Contains a regular expression pattern. |
| String Object | Allows manipulation and formatting of text strings and determination and location of substrings within strings. |
| VBArray Object | Provides access to Visual Basic safe arrays. |
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