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cells in a range on an excel sheet javascript code

Amjad Saeed answered on February 10, 2023 Popularity 3/10 Helpfulness 1/10

answer cells in a range on an excel sheet javascript code

cells in a range on an excel sheet javascript code

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function getCells(s) {
    // Split the input string by ':' to get the starting and ending cells
    let [start, end] = s.split(':');
    // Get the column numbers of the starting and ending cells
    let startCol = getColNum(start[0]);
    let endCol = getColNum(end[0]);
    // Get the row numbers of the starting and ending cells
    let startRow = parseInt(start.substring(1));
    let endRow = parseInt(end.substring(1));
    // Initialize an empty array to store the cells
    let cells = [];
    // Loop through the columns
    for (let col = startCol; col <= endCol; col++) {
        // Loop through the rows
        for (let row = startRow; row <= endRow; row++) {
            // Get the column letter and concatenate it with the row number
            let colLetter = getColLetter(col);
            let cell = colLetter + row;
            // Add the cell to the array
            cells.push(cell);
        }
    }
    // Sort the cells in non-decreasing order by columns and then by rows
    cells.sort((a, b) => {
        if (a[0] === b[0]) {
            // If the columns are the same, sort by the row numbers
            return parseInt(a.substring(1)) - parseInt(b.substring(1));
        } else {
            // If the columns are different, sort by the column letters
            return a[0].charCodeAt(0) - b[0].charCodeAt(0);
        }
    });
    return cells;
}

// Function to get the column number given a column letter
function getColNum(colLetter) {
    // Initialize the column number to 0
    let colNum = 0;
    // Loop through the column letter
    for (let i = 0; i < colLetter.length; i++) {
        // Increment the column number by 26 for each letter in the column letter
        colNum = colNum * 26 + (colLetter.charCodeAt(i) - 'A'.charCodeAt(0) + 1);
    }
    return colNum;
}

// Function to get the column letter given a column number
function getColLetter(colNum) {
    // Initialize the column letter to an empty string
    let colLetter = '';
    // Loop until the column number is greater than 0
    while (colNum > 0) {
        // Get the remainder when the column number is divided by 26
        let remainder = (colNum - 1) % 26;
        // Add the letter corresponding to the remainder to the beginning of the column letter
        colLetter = String.fromCharCode(remainder + 'A'.charCodeAt(0)) + colLetter;
        // Divide the column number by 26 and round down to the nearest integer
        colNum = Math.floor((colNum - 1) / 26);
    }
    return colLetter;
}

Popularity 3/10 Helpfulness 1/10 Language javascript

Source: Grepper

Tags: cells excel javascript range

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Contributed on Feb 10 2023

Amjad Saeed

0 Answers Avg Quality 2/10

cells in a range on an excel sheet javascript code

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