simplify boolean expression

1. Boolean expressionsBoth conditional and circular statements use Boolean expressions as criteria Boolean value true or FALSE, denoted by false and true, Front often uses a Boolean expression to compare two values, such as: while X>=0NBSP; 2,

getText method depends on the getText (text) {return "hello" + text ;} The output is as follows: Boolean attribute Attributes such as checked and selected are called Boolean attributes in roit. js. If the expression value of the Boolean attribute is false, the attribute will be ignored: Will generate: The W3C

An unhandled exception occurs in System. Data. dll. Other information: A non-Boolean expression is specified in the context where conditions should be used (near ., System. data. dll In the data room charging system, some people use the stored procedure in the joint query module. First, I tried to create a view in the database, then, make a judgment on the UI Layer and generate the query condition strCondi

There are 5 types of data in javascript: Undefined, Boolean, Object, number, String, and these types of data, when they are in an expression, The JS parser automatically converts it to a Boolean value to determine which logical branch the current condition conforms to (of course, we can also manually convert by invoking the B