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Javascript 2022-02-04 18:00:34
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("... Add solution -
Javascript 2021-11-10 07:55:20
javascript excel column letter 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("... Add solution