functionHexStringToInt64StringConverter(signed) {varhexCode ={'0': "0000",'1': "0001",'2': "0010",'3': "0011",'4': "0100",'5': "0101",'6': "0110",'7': "0111",'8': "1000",'9': "1001",'a': "1010",'b': "1011",'c': "1100",'d': "1101",'e': "1110",'...
console.log(hex2int("1df")); 十进制整数转换16进制 function int2hex(num, width) { var hex = "0123456789abcdef"; var s = ""; while (num) { s = hex.charAt(num % 16) + s; num = Math.floor(num / 16); } if (typeof width === "undefined" || width <= s.length) { retu...
functionhex2Int(hex =''){if(typeofhex !=='string'|| hex ==='') {returnNaN}consthexs = [...hex.toLowerCase()]letresInt =0for(leti =0; i < hexs.length; i++) {consthv = hexs[i]letnum = hv.charCodeAt() <58? +hv : ((code ...
// RGB to HEX // (1 << 24)的作用为保证结果是6位数 varrgb2hex =function(r, g, b){ return'#'+ ((1<<24) + (r <<16) + (g <<8) + b) .toString(16) // 先转成十六进制,然后返回字符串.substr(1); // 去除字符串的最高...
functionhex2Int(hex ='') {if(typeofhex !=='string'|| hex ==='') {returnNaN}consthexs = [...hex.toLowerCase()]letresInt =0for(leti =0; i < hexs.length; i++) {consthv = hexs[i]letnum = hv.charCodeAt() <58? +hv : ((code -97) +10) ...
function toInt32(x) { return x | 0; } 1. 2. 3. 上面这个函数将任意值与0进行一次或运算,这个位运算会自动将一个值转为32位整数。下面是这个函数的用法。 toInt32(1.001) // 1 toInt32(1.999) // 1 toInt32(1) // 1 toInt32(-1) // -1 ...
//强类型语言(Java)intnum=10;//这里的变量num是int型(整数类型)//弱类型语言(JavaScript)varnum=10...
bigint = parseInt(hex, 16); const r = (bigint >> 16) & 255; const g = (bigint >> 8) & 255; const b = bigint & 255; return `rgb(${r}, ${g}, ${b})`; } // 示例使用 console.log(hexToRgb('#FF5733')); // 输出: rgb(255, 87, 51) console.log(hexToRgb('#f53...
Welcome to Node.js v12.13.0. Type ".help" for more information. > .help .break Sometimes you get stuck, this gets you out .clear Alias for .break .editor Enter editor mode .exit Exit the repl .help Print this help message .load Load JS from a file into the REPL session ...
要在字符串中插入反斜杠字面量,必须转义反斜杠。例如,要把文件路径赋值给一个字符串,可以采用如下方式: js consthome="c:\\temp"; 也可以在换行之前加上反斜杠以转义换行。这样反斜杠和换行都不会出现在字符串的值中。 js conststr="this string \ is broken \ across multiple \ lines.";console.log(str...