data_numeric_format.js

class DataIdGenerator {
    constructor() {
        this.count = 0;
    }

    generateDataId() {
        this.count++;
        return this.formatDataId(this.count);
    }

    formatDataId(number) {
        return String(number).padStart(2, '0');
    }
}

// Test the generator
const generator = new DataIdGenerator();
for (let i = 0; i < 15; i++) {
    console.log(generator.generateDataId());
}