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
If statement a method that makes a variable or some other type of data to make a decision. For example, you may have a
Script to check if the Boolean value is True or FALSE, or the variable contains a number or string value.
Use the IF statement
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
The variable way in normal.var a = 10; for integers.var b = 3.14; The decimal point to target.var c = "Hello"; a double quote or single quotation mark is the definition string.One, type conversion (CAST)1, parseint (d), integer conversion.2,
PL/SQL script language value assignment statement syntax table and record comply with the type usage, select the statement if else usage anonymous block (1), assign value statement syntax PL/SQL values use: = "=" some rules need to be observed in
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
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
Recently the head is a little dizzy, in JavaScript write If-else If-else code, actually to else added conditions. The code is as follows:IE9 and Chrome under the execution of this script, found not to prompt the JS error, the program's execution
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
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