what natural logarithm

JS has a built-in object--math object, in some cases very useful, let us analyze: Math Common Properties (note to capitalize): e returns the arithmetic constant E, that is, the base of the natural logarithm (approximately equal to 2.718)LN2

Property: The function reference of the object established by constructor Prototype attributes and methods that can be added to an object E Euler constant, base of natural logarithm (approximately equal to 2.718) The natural logarithm of the LN2

Quick query of js functions allows you to quickly find related functions. The abs method returns the absolute value of a number. The acos method returns the arc cosine of a number. The anchor method adds an HTML anchor with the NAME attribute at

JavaScript is a programming language, the browser has built-in JavaScript interpreter, so in the browser according to the JavaScript language rules to write the corresponding code, the browser can explain and make corresponding processing.First, the

ObjectiveJavaScript is a scripting language belonging to the Web, and is used by millions of of pages to improve design, validate forms, detect browsers, create cookies, and more.How to write 1. Existence formMethod One: Exists in the JS file, which

Introduction to JavaScriptJavaScript is a literal-translation scripting language, which is a dynamic type, a weak type, a prototype-based language, and a built-in support type. Its interpreter, known as the JavaScript engine, is widely used as a

First, JavaScript introductionJavaScript is a literal-translation scripting language, which is a dynamic type, a weak type, a prototype-based language, and a built-in support type. Its interpreter, known as the JavaScript engine, is widely used as a

1. discard the fractional part and keep the integer part parseInt (5/2) 2. rounded up. If there is a decimal number, add 1Math to the integer. ceil (5/2) 3, rounded down. math. round (5/2) 4, round down Math. floor (5/2) Math object method FF:

In Javascript, mathematical methods can be divided into the following types:Constans (constant), power functions (multiplication function), trigonometic functions (trigonometric function), rounding functions (rounding function), random numbers

In Javascript, mathematical methods can be divided into the following types:Constans (constant), power functions (multiplication function), trigonometic functions (trigonometric function), rounding functions (rounding function), random numbers

1 JavaScript Object Properties and methods summary2Date: 2015-03-06Editor: www.jquerycn.cn3 In detail, JavaScript Object properties and Object methods related knowledge, including JavaScript strings, arrays, dates and other properties of the object

I. mathematical functions ABS (x )?? Returns the absolute value BIN (x)? of x )?? Returns the binary value of x (OCT returns octal, HEX returns hexadecimal) CEILING (x )?? Returns the minimum integer EXP (x )?? Returns the x power FLOOR (x) of e

1. mathematical function ABS (x) returns the absolute value BIN (x) of x and returns the binary value of x (OCT returns octal, HEX returns hexadecimal) CEILING (x) returns the x power FLOOR (x) of the smallest integer value EXP (x) returned value e (

1.NumberJavaScript has only one numeric type, can have decimals or not, and can use scientific notation.var y=123e5; // 12300000 var z=123e-5; // 0.00123JavaScript is not a type language. Unlike many other programming languages, JavaScript does

This article provides a detailed summary of Javascript Object attribute methods. For more information, see. Array: an ordered set of series Elements Attribute: Length: used to obtain the number of array elements, that is, the maximum subscript plus

1.Array Property:constructor function reference for objects created byprototype properties and methods that can be added to an objectindex for an array created by a regularexpression match, the zero-based index of the match in the string.input for

See the original: Https://cwiki.apache.org/confluence/display/Hive/LanguageManual+UDF1. Built-in operators1.1 Relational operators Operator Type Description A = B All primitive types Returns True if A

HTML Dom tutorial 48-javascript math object   Math objects are not classes of objects like date and string, so there is no constructor math (). functions like math. Sin () are just functions, not methods of an object. 1: Math object Method

Document directory Ecmascript Basics Ecmascript Operator Ecmascript statement Ecmascript Function Boolean object Number object String object Array object Math object Date object Regexp object The javascript interpreter in Flash uses

/**************** From "Tian hongchuan "**************** *****/Http://www.cnblogs.com/thcjp/archive/2006/08/21/482606.html Array: an ordered set of series elements; Attribute: Length: used to obtain the number of array elements, that is, the maximum