How can I convert numbers into words using the South Asian numbering system (Lakhs and Crores)?-JS Tutorial-php.cn

How can I convert numbers into words using the South Asian numbering system (Lakhs and Crores)?

Linda Hamilton

Release： 2024-11-05 16:05:02

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How can I convert numbers into words using the South Asian numbering system (Lakhs and Crores)?

Transform Numbers to Words in Lakh/Crore System

Question:

I need a simplified and efficient code to convert numbers into words, adhering to the South Asian numbering system that includes Lakhs and Crores.

Answer:

To achieve this task, you can utilize the following concise code:

<code class="javascript">var a = ['', 'one ', 'two ', 'three ', 'four ', 'five ', 'six ', 'seven ', 'eight ', 'nine ', 'ten ', 'eleven ', 'twelve ', 'thirteen ', 'fourteen ', 'fifteen ', 'sixteen ', 'seventeen ', 'eighteen ', 'nineteen '];
var b = ['', '', 'twenty', 'thirty', 'forty', 'fifty', 'sixty', 'seventy', 'eighty', 'ninety'];

function inWords(num) {
    if ((num = num.toString()).length > 9) return 'overflow';
    n = ('000000000' + num).substr(-9).match(/^(\d{2})(\d{2})(\d{2})(\d{1})(\d{2})$/);
    if (!n) return; var str = '';
    str += (n[1] != 0) ? (a[Number(n[1])] || b[n[1][0]] + ' ' + a[n[1][1]]) + 'crore ' : '';
    str += (n[2] != 0) ? (a[Number(n[2])] || b[n[2][0]] + ' ' + a[n[2][1]]) + 'lakh ' : '';
    str += (n[3] != 0) ? (a[Number(n[3])] || b[n[3][0]] + ' ' + a[n[3][1]]) + 'thousand ' : '';
    str += (n[4] != 0) ? (a[Number(n[4])] || b[n[4][0]] + ' ' + a[n[4][1]]) + 'hundred ' : '';
    str += (n[5] != 0) ? ((str != '') ? 'and ' : '') + (a[Number(n[5])] || b[n[5][0]] + ' ' + a[n[5][1]]) + 'only ' : '';
    return str;
}

document.getElementById('number').onkeyup = function () {
    document.getElementById('words').innerHTML = inWords(document.getElementById('number').value);
};</code>

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Explanation:

This code separates the number into smaller components: crores, lakhs, thousands, hundreds, and tens.
It utilizes arrays a and b to convert each component's digits to words.
The result is concatenated to return the spelled-out number in the desired South Asian numbering system format.

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