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JS Bin// source https://jsbin.com/sezewos
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <meta name="viewport" content="width=device-width"> | |
| <title>JS Bin</title> | |
| </head> | |
| <body> | |
| <script id="jsbin-javascript"> | |
| function toHex(num) { | |
| const base = 16; | |
| const hexVals = '0123456789abcdef'; | |
| let hex = []; | |
| let sign = 1; | |
| if(num === 0) return '0'; | |
| if(num < 0) { | |
| sign = -1; | |
| num = -num; | |
| } | |
| while(num) { | |
| let remainder = num % base; | |
| num = (num - remainder) / base; | |
| hex.push(hexVals[remainder]); | |
| } | |
| if(sign === 1) { | |
| return hex.reverse().join(''); | |
| } else { | |
| let j = hex.length; | |
| let carryDig = 1; | |
| for(let i = 0; i < j; i++) { | |
| if(hex[i] !== '0' || !carryDig) { | |
| hex[i] = hexVals[base - 1 + carryDig - hexVals.indexOf(hex[i])]; | |
| carryDig = 0 | |
| } | |
| } | |
| // Check fo carry digit | |
| if(carryDig) hex.push('1'); | |
| } | |
| return 'f'.repeat(8 - hex.length) + hex.reverse().join(''); | |
| } | |
| // Call the function | |
| let number = 16777215; // ffffff | |
| console.log(`Hex conversion number: ${number} => hex: ${toHex(number)}`); | |
| </script> | |
| <script id="jsbin-source-javascript" type="text/javascript">function toHex(num) { | |
| const base = 16; | |
| const hexVals = '0123456789abcdef'; | |
| let hex = []; | |
| let sign = 1; | |
| if(num === 0) return '0'; | |
| if(num < 0) { | |
| sign = -1; | |
| num = -num; | |
| } | |
| while(num) { | |
| let remainder = num % base; | |
| num = (num - remainder) / base; | |
| hex.push(hexVals[remainder]); | |
| } | |
| if(sign === 1) { | |
| return hex.reverse().join(''); | |
| } else { | |
| let j = hex.length; | |
| let carryDig = 1; | |
| for(let i = 0; i < j; i++) { | |
| if(hex[i] !== '0' || !carryDig) { | |
| hex[i] = hexVals[base - 1 + carryDig - hexVals.indexOf(hex[i])]; | |
| carryDig = 0 | |
| } | |
| } | |
| // Check fo carry digit | |
| if(carryDig) hex.push('1'); | |
| } | |
| return 'f'.repeat(8 - hex.length) + hex.reverse().join(''); | |
| } | |
| // Call the function | |
| let number = 16777215; // ffffff | |
| console.log(`Hex conversion number: ${number} => hex: ${toHex(number)}`);</script></body> | |
| </html> |
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| function toHex(num) { | |
| const base = 16; | |
| const hexVals = '0123456789abcdef'; | |
| let hex = []; | |
| let sign = 1; | |
| if(num === 0) return '0'; | |
| if(num < 0) { | |
| sign = -1; | |
| num = -num; | |
| } | |
| while(num) { | |
| let remainder = num % base; | |
| num = (num - remainder) / base; | |
| hex.push(hexVals[remainder]); | |
| } | |
| if(sign === 1) { | |
| return hex.reverse().join(''); | |
| } else { | |
| let j = hex.length; | |
| let carryDig = 1; | |
| for(let i = 0; i < j; i++) { | |
| if(hex[i] !== '0' || !carryDig) { | |
| hex[i] = hexVals[base - 1 + carryDig - hexVals.indexOf(hex[i])]; | |
| carryDig = 0 | |
| } | |
| } | |
| // Check fo carry digit | |
| if(carryDig) hex.push('1'); | |
| } | |
| return 'f'.repeat(8 - hex.length) + hex.reverse().join(''); | |
| } | |
| // Call the function | |
| let number = 16777215; // ffffff | |
| console.log(`Hex conversion number: ${number} => hex: ${toHex(number)}`); |
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