How to convert numbers to Hex (hexadecimal) in javascript

In javascript, you can use the toString() method of the Number object to convert the number to Hex (hexadecimal). This method can parse the specified value and try to return a string of the specified base (base) Representation form, the syntax is "specify digital object.toString(16);".

The operating environment of this tutorial: windows7 system, javascript version 1.8.5, Dell G3 computer.

In JavaScript, you can use the toString() method of the Number object to convert the number to Hex (hexadecimal).

Example:

var num = 255; console.log(num.toString(16));//输出FF

Description:

toString() method can convert a Number object Convert to a string and return the result.

Syntax:

NumberObject.toString(radix)

# The toString() method parses its first argument and attempts to return a string representation of the specified radix.

For letters with a base greater than 10, the letters represent numbers greater than 9. For example, for hexadecimal numbers (base 16), use a through F.

If no base is specified, the preferred base is assumed to be 10.

var x='110'; alert(parseInt(x,2)); //6 =>以2进制解析110 alert(parseInt(x,8)); //72 =>以8进制解析110 alert(parseInt(x,16)); //272 =>以16进制解析110

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