how to make an alphabet in javascript
// To get an array of letters from 'a' to 'z' in javascript.
let alphabet = 'abcdefghijklmnopqrstuvwxyz'.split('');how to make an alphabet in javascript
// To get an array of letters from 'a' to 'z' in javascript.
let alphabet = 'abcdefghijklmnopqrstuvwxyz'.split('');javascript alphabet to number
function convertLetterToNumber(str) {
str = str.toUpperCase();
let out = 0, len = str.length;
for (pos = 0; pos < len; pos++) {
out += (str.charCodeAt(pos) - 64) * Math.pow(26, len - pos - 1);
}
return out;
}
convertLetterToNumber("A"); // 1
convertLetterToNumber("b"); // 2
convertLetterToNumber("Ba"); // 53
convertLetterToNumber("dE"); // 109
convertLetterToNumber("ZZZZ"); // 475254js int to alphabet
var value = 10;
document.write((value + 9).toString(36).toUpperCase());alphabet to number javascript
str = 'z'
n = (str == str.toLowerCase()) ? 96 : 64
result = str.charCodeAt(0) - n
console.log(result);javascript number in alphabet
// converts numbers to spreadsheet letter columns eg. 1 -> A
function numToSSColumn(num){
let s = '', t;
while (num > 0) {
t = (num - 1) % 26;
s = String.fromCharCode(65 + t) + s;
num = (num - t)/26 | 0;
}
return s || undefined;
}
numToSSColumn(0); // undefined
numToSSColumn(1); // A
numToSSColumn(26); // Z
numToSSColumn(-1); // undefined
numToSSColumn(27); // AA
numToSSColumn(475254); // ZZZZCopyright © 2021 Codeinu
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