Subtraction Assignment Operator(-=)

The Substraction Assignment Operator subtracts the value of the right operand from a variable and assigns the result to the variable.

Example:

Javascript


                    let yoo = 4;

// Expected output 3
console.log(foo = yoo - 1);

Output:

JavaScript Assignment Operators

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Addition Assignment Operator(+=)

The Addition assignment operator adds the value to the right operand to a variable and assigns the result to the variable. Addition or concatenation is possible. In case of concatenation then we use the string as an operand....

Subtraction Assignment Operator(-=)

The Substraction Assignment Operator subtracts the value of the right operand from a variable and assigns the result to the variable....

Multiplication Assignment Operator(*=)

The Multiplication Assignment operator multiplies a variable by the value of the right operand and assigns the result to the variable....

Division Assignment Operator(/=)

The Division Assignment operator divides a variable by the value of the right operand and assigns the result to the variable....

Remainder Assignment Operator(%=)

The Remainder Assignment Operator divides a variable by the value of the right operand and assigns the remainder to the variable....

Exponentiation Assignment Operator

The Exponentiation Assignment Operator raises the value of a variable to the power of the right operand....

Left Shift Assignment Operator(<<=)

This Left Shift Assignment Operator moves the specified amount of bits to the left and assigns the result to the variable....

Right Shift Assignment Operator(>>=)

The Right Shift Assignment Operator moves the specified amount of bits to the right and assigns the result to the variable....

Bitwise AND Assignment Operator(&=)

The Bitwise AND Assignment Operator uses the binary representation of both operands, does a bitwise AND operation on them, and assigns the result to the variable....

Btwise OR Assignment Operator(|=)

The Btwise OR Assignment Operator uses the binary representation of both operands, does a bitwise OR operation on them, and assigns the result to the variable....

Bitwise XOR Assignment Operator(^=)

The Bitwise XOR Assignment Operator uses the binary representation of both operands, does a bitwise XOR operation on them, and assigns the result to the variable....

Logical AND Assignment Operator(&&=)

The Logical AND Assignment assigns the value of y into x only if x is a truthy value....

Logical OR Assignment Operator(||=)

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Nullish coalescing Assignment Operator(??=)

The Nullish coalescing Assignment Operator assigns the value of y to x if the value of x is null....

Subtraction Assignment Operator(-=)

JavaScript Assignment Operators

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