How javascript converts floating-point numbers to integers

This article focuses on "how javascript converts floating-point numbers to integers". Interested friends may wish to take a look. The method introduced in this paper is simple, fast and practical. Let's let the editor take you to learn how javascript converts floating-point numbers to integers.

Conversion methods: 1, the use of parseInt () function, syntax "parseInt (floating point)"; 2, the use of bit operator "|", syntax "0 | floating point"; 3, the use of bit operator "^", syntax "0 ^ floating point"; 4, the use of bit operator "~", syntax "~ floating point".

The operating environment of this tutorial: windows7 system, javascript1.8.5 version, Dell G3 computer.

Javascript's method of converting floating-point numbers to integers

Method 1: use the parseInt () function

ParseInt (13.5) parseInt (22.5)

Method 2: use the bit operator "|"

Console.log (0 | 123.45)

Method 3: use the bit operator "^"

Console.log (0 ^ 123.45)

Method 4: use the bit operator "~"

Console.log (~ 123.45); console.log (~ ~ 123.4545)

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