if else conditional statement

4.2 Item Selection Statements"Teacher, did I pass the level four exam?" ”If the teacher is asked this question, how will he answer? Yes, he will choose different answers according to different conditions:If the test result is greater than or equal

4.2 Item Selection Statements"Teacher, did I pass the level four exam?" ”If the teacher is asked this question, how will he answer? Yes, he will choose different answers according to different conditions:If the test result is greater than or equal

Conditional statement, which is a kind of statement that chooses to execute according to the condition in the program, the difficulty lies in how to abstract the condition accurately in the actual use of such statement. For example, to implement the

If/else statementsConditional statements actually in the previous article we have used several times, here we need to re-grand to introduce it, conditional statements are judged by one or more statements of the return result (true or false) to

Core tips: JavaScript Conditional Statement If ... Else When you write code, you often need to perform different behaviors according to different conditions. You can use conditional statements in your code to accomplish this task. In JavaScript,

1. If The IF structure is one of the most important features in many languages, including PHP, which allows code snippets to be executed on a conditional basis. The IF structure of PHP is similar to the C language: if (expr)Statement As defined in

Example:If a For conditional statements, the following points need to be noted:? Conditional statements do not need parentheses to enclose conditions ();? The curly braces {} must exist regardless of the statement body.? The left curly brace {must

The if...else of the Java conditional statementThe operation of the If...else statement is one step more than an if statement: when the condition is true, the code block of the if part is executed, and if the condition is not true, the else part is

Conditional judgment can be divided into:Single-branch judgment: only one if statementTwo-branch judgment: if Else's formatMulti-Branch judgment: if elif else formatConditional statement nesting judgment#Here's a conditional multi-branch judgment

In php, if else or switch statements are used most frequently, next, I will give you a detailed introduction to my notes on using the if else Conditional Control statement in php. if you need it, please refer to it. In php, the basic process control