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
the format of awhile loop statement:
1. Format:
while (condition of the loop) { loop statement;}
2, while the Loop statement to note matters:1) The While Loop statement is typically the number of times a variable is controlled by its loop.2) The
ForeachPhp Tutorial 4 (not php 3) includes the foreach structure, which is similar to perl and other languages. This is just a simple way to traverse arrays. Foreach can only be used for arrays. An error occurs when you try to use it for another
OneLoop statements (there are two types):While statementFor statementWhile statement:Problem: Enter an integer n to allow the program to output n rows:Hello 1Hello 2.......Hell NWhile statement:Function: Executes a statement or multiple statements
C # loop statement: while LOOP and for loop (1 ),
For example, if we want to output hundreds of numbers when doing a lot of things, one output is not only troublesome, but also time-consuming and inefficient. At this time, C # provides us with a
Java cyclic statements-general Linux technology-Linux programming and kernel information. The following is a detailed description. Java loop statements include for, while, and do-while. These statements create what we usually call a loop (loops ).
if we want to do a lot of things, say we want to output hundreds of numbers, one output of the words not only cumbersome and time-consuming, inefficient. In this case, C # provides us with a much simpler way to output the loop. There are many types
Using the While loopYou can use the while loop to count.1 while 5 : print (current_number) 1Let the user choose when to exitYou can use the while loop to keep the program running as the user wishes. prompt = " \ntell Me Something, and I'll
While loopWhile loop while condition: if the condition is true, continue the loop if the condition is false, stop the loopLoop means to let the program repeatedly execute some statements, Whiler Loop is one of the loop structure, when the loop is
Explanation of Objective-C's run loop, objective-cloop
Objective-C run loop
I don't know if you have ever thought about this problem. An application is put there after it starts to run. If you don't perform any operations on it, the application is
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