const fetchCode = `fetch('https://helpers.mescomedia.com/tcno-verify', {
method: 'POST',
headers: {
'Content-Type': 'application/json'
},
body: JSON.stringify({
tcNo: '12345678901'
})
})
.then(response => response.json())
.then(result => {
document.getElementById('tcno-result').innerHTML = result.result ? 'Valid' : 'Invalid';
});`;