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lesson18.html
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lesson18.html
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<html>
<body>
<script>
/*const xhr = new XMLHttpRequest();
xhr.addEventListener('load', () => {
console.log(xhr.response);
});
xhr.open('GET', 'https://supersimplebackend.dev/greeting');
xhr.send();*/
/*fetch('https://supersimplebackend.dev/greeting').then((response) => {
return response.text();
}).then((text) => {
console.log(text);
});*/
/*async function getGreeting()
{
const response = await fetch('https://supersimplebackend.dev/greeting');
const text = await response.text();
console.log(text);
}
getGreeting();*/
/*async function postGreeting()
{
const response = await fetch('https://supersimplebackend.dev/greeting', {
method: 'POST',
headers: {
'Content-Type': 'application/json'
},
body: JSON.stringify({
name: 'Jivansh'
})
});
const text = await response.text();
console.log(text);
}
postGreeting();*/
/*async function getAmazon()
{
try {
const response = await fetch('https://amazon.com');
const text = await response.text();
console.log(text);
} catch (error) {
console.log('CORS error. You request was blocked by the backend.');
}
}
getAmazon();*/
async function postGreeting()
{
try {
const response = await fetch('https://supersimplebackend.dev/greeting', {
method: 'POST',
headers: {
'Content-Type': 'application/json'
}
});
if(response.status>=400)
{
throw response;
}
const text = await response.text();
console.log(text);
}
catch (error) {
if (error.status === 400)
{
const errorMessage = await error.json();
console.log(errorMessage);
}
else
console.log('Network error. Please try again later.');
}
}
postGreeting();
</script>
</body>
</html>