If applied to boolean values, the&&operator only returnstruewhen both of its operands aretrue(andfalsein all other cases), while the||operator only returnsfalsewhen both of its operands arefalse(andtruein all o
If applied to boolean values, the&&operator only returnstruewhen both of its operands aretrue(andfalsein all other cases), while the||operator only returnsfalsewhen both of its operands arefalse(andtruein all other cases). Using Logical Operators with Non-Boolean Values# In JavaScript, the lo...
i + 1.7 The value of this expression is determined by adding the values of the two simpler expressions. The+in this example is anoperator ...
Difference between =, ==, and === in JavaScript This guide clarifies the differences among =, == and === in JavaScript, with examples to demonstrate each operator. = (Assignment Operator): The = operator assigns a value to a variable. For instance, x = 5 assigns the value 5 to x....
Bitwise left shift operator. >> Bitwise right shift operator. >>> Bitwise unsigned right shift operator. Binary bitwise operators Bitwise operators treat their operands as a set of 32 bits (zeros and ones) and return standard JavaScript numerical values. & Bitwise AND. | Bitwise OR. ^ Bitwise...
JavaScript also supports a number of unary operators, which convert a single expression into a single, more complex expression. The − operator in the expression −x is a unary operator that performs the operation of negation on the operand x. Finally, JavaScript supports one ternary operator...
JavaScript also contains a conditional operator that assigns a value to a variable based on some condition.Syntaxvariablename = (condition) ? value1:value2 Examplelet voteable = (age < 18) ? "Too young":"Old enough"; Try it Yourself » If the variable age is a value below 18, the...
代码语言:javascript 代码运行次数:0 运行 AI代码解释 db.user.find({name:{$in:['小博','测试小博']}})db.user.find({$or:[{name:{$eq:'小博'}},{name:{$eq:'测试小博'}}]})db.user.find({$or:[{name:'小博'},{name:'测试小博'}]}) ...
add_string2.js let msg = 'There are'; msg += ' three falcons'; msg += ' in the sky'; console.log(msg); The example builds a message with the += operator. $ node add_string2.js There are three falcons in the sky JavaScript add strings with join...
Note: In JavaScript, == is a comparison operator, whereas = is an assignment operator. If you mistakenly use = instead of ==, you might get unexpected results.2. Not Equal To OperatorThe not equal to operator != evaluates totrue if the values of the operands aren't equal. false if ...