Tag: The code implementation has one fill highlight than the multi-label roundSometimes the programming for a long time, if you stop to think about it, even some of the most basic knowledge points, it may also make their own circle. In fact, at the
Question: Evaluate the final test scores of Students
Score> = 90:
90> score> = 80: B
80> score> = 70: c
70> score> = 60: d
Solution 1: If else if is not understood, and this error is easy to make.
If (score> = 90) // condition 1 {console.
The code we see earlier is executed sequentially, that is, the first statement is executed first, then the second, the third ... Until the last statement.
However, in many cases, sequential structure of the code is far from enough, such as a
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
(PHP 4, PHP 5)
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:
As defined in the
The strange if-else, javascriptif-else in javascript
Recently, my head is a bit dizzy. When I write the if-else code in javascript, I actually added conditions to else. The Code is as follows:
Run this script in IE9 and chrome, and no js error is
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
Java Branching Structure-if...else/switchSequential structures can only be executed sequentially, not judged and chosen, so branching structures are required.There are two types of branching structures in Java:
if statement
Switch
If statementAn If statement contains a Boolean expression and one or more statements.GrammarThe syntax for the IF statement is as follows:if (Boolean expression){If the Boolean expression is true, the statement executed}If the value of the Boolean
If statementAn If statement contains a Boolean expression and one or more statements.GrammarThe syntax for the IF statement is as follows:if (Boolean expression){If the Boolean expression is true, the statement executed}If the value of the Boolean
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