get last digit from number javascript code example

Example 1: js get last 4 digits

const id = "ctl03_Tabs1";
console.log(id.slice(id.length - 5)); //Outputs: Tabs1
console.log(id.slice(id.length - 1)); //Outputs: 1

Example 2: How to get last digit of a number in words (javascript)

function main(englishName) {
    var data = {
        '1': 'one',
        '2': 'two',
        '3': 'three',
        '4': 'four',
        '5': 'five',
        '6': 'six',
        '7': 'seven',
        '8': 'eight',
        '9': 'nine'
    }

    var number = englishName;
    var lastNum = number.toString().split('').pop()

    console.log(data[lastNum])
}