loop code

Three ways of writing a loop: js cycle by cloud-dwelling community //while cycle //do_whilel cycle //for loop Different types of loops JavaScript supports different types of loops:for-loop code block a certain number of

The following small series for everyone to bring an efficient test case organization algorithm pairwise Python implementation method. Small series feel very good, now share to everyone, also for everyone to make a reference. Let's take a look at it

Look at the code first function reverse ($str) { if (strlen ($STR) >0) { reverse (substr ($STR, 1)); Echo substr ($STR, 0,1); return;} } Reverse ("ABCDEFG");//GFEDCBC In the above example, I think that understanding is a circular

View C # (3) through IL) Foreach statement Address: http://www.cnblogs.com/AndersLiu/archive/2009/02/04/csharp-via-il-foreach.html Original: Anders Liu Abstract: A foreach statement is an important loop statement in C #. It is used to traverse every

Loop Structurewhen type: when P When the condition is set (T), repeat A until p is " false cycle is not stopped .until type: Execute First A, then Judge p, if it is T, then execute A, so repeat until p to F.1.While Cyclethe basic format and

First, IntroductionJavaScript is one of the most popular programming languages in the world, and the language is used primarily for HTML and WEB.JavaScript is a scripting language, a lightweight language, programming code that can insert HTML pages,

JavaScript If ... Else statementconditional statements are used to perform different actions based on different conditions. conditional statementsOften when writing code, you always need to perform different actions for different decisions. You can

1) semicolons are used to split the JS statement. You can wrap the semicolon after it, or you can write the next line of statements.2) JS code is the sequence of JS statements, the browser will be executed in order.3) JS statements are combined in

Different types of loops JavaScript supports different types of loops:For-loop code block a certain number of timesFor/in-Looping through the properties of an objectWhile-loops the specified code block when the specified condition is

Learning website:Http://www.w3school.com.cn/js/js_loop_for.aspJavaScript LoopsIf you want to run the same code over and over again, and the values are different each time, it is convenient to use loops.We can output the values of the array like this:

While loop While loop, is a combination of loops plus judgment, satisfies the judging condition to return , True (true) starts loop code block , false (false) does not loopWhile loop main structure:# !/usr/bin/env python # -*-coding:utf-8-*-

This problem is caused by the running results of a JS program: Copy Code code as follows: var i = 0; function A () { for (i=0;i} } Function B () { for (i=0;iA (); } return i; } var result = B (); The

1, make a judgment (if statement)An IF statement is a statement that is used when the appropriate code is executed based on a condition.Grammar: if (condition) {The code executes when the condition is set } Example: Suppose you

In JavaScript, we can use three loops: for (;), while (), and for (in). in fact, the efficiency of for (in) in these three loops is very poor, because he needs to query hash keys, as long as they can be used as little as possible. It has been

PHP conditional statementsIn PHP, we can use the following conditional statements: If statement-executes the code if the specified condition is true If...else Statement-Executes the code if the condition is true, or the Else statement

01. Three major procedures of the program There are three process methods in program development: Sequence--From top down, Sequential Code Execution Branch-- Determines whether to execute the code based on conditionsBranch Loop--

This article mainly introduces the knowledge about the For loop and the Foreach loop in C #, which has a good reference value. Let's take a look at it. For loops and foreach loops can actually be subordinate, that is, the Foreach loop can be

Single database field multi-column display in PHP This article mainly introduces a single database field in PHP display of multiple columns, branch display skills, can also be called one-page pagination, horizontal output, the need for friends can

Python core programming version 2, 36th page, Chapter 2 exercisesThe answer here is not from official resources, but from my own exercises, which may be incorrect. 2.21 exercise 2-1.Variables, print, and string formatting operators. Start the

This article from http://blog.csdn.net/canco/ 2. Methods for deleting elements using algorithms or container member functions in STLThe preceding methods for manually writing the for loop code to delete elements in the container also have some