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This article mainly introduces the relevant knowledge of whether null represents 0 in javascript, the content is detailed and easy to understand, the operation is simple and fast, and it has a certain reference value. I believe that after reading this javascript, null represents 0 article will have something to gain, let's take a look.

Null in JavaScript does not represent 0, only in basic mathematical operations, the null value will be converted to 0. Null in JavaScript represents "nothing", null is a special type with only one value, and 0 is a numeric type, which means the number "0".

The operating environment of this tutorial: windows10 system, javascript1.8.5 version, Dell G3 computer.

Does null stand for 0 in javascript?

In JavaScript, null means "nothing".

Null is a special type that has only one value. Represents an empty object reference.

A null value represents a reference to an object or address that does not exist or is not valid. Even if it points to something that doesn't exist, it doesn't matter, it's a global object (and one of the original values of JavaScript).

A negative null value returns true, but comparing it with false (or true) gives false.

In basic mathematical operations, null values will be converted to 0

0 is a number, which represents the number 0.

Number:

There are two forms of representation of this type, the first is an integer and the second is a floating point number. Integers: can be represented by decimal, octal, and hexadecimal literal values. Floating point: this value must contain a decimal point and must be followed by a decimal point.

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