jQuery AJAX snippet.
function CustomException(text, num) {
if (typeof text !== "string" || text === null || text === undefined) {
text = '';
}
if (typeof num !== "number" || num === null || num === undefined) {
num = 0;
}
this.message = text;
this.code = num;
}
var error_code = 0;
$.ajax('your_url_here', {
"method": 'GET',
"data": $.param({}),
"dataType": 'json',
"timeout": 30000 // 30 seconds
}).done(function (response) {
try {
if (response.ok) {
window.console.log(response);
} else {
error_code++;
throw new CustomException(response.error, error_code);
}
} catch (err) {
throw new Error('Error: ' + err);
}
}).fail(function (jqXHR, textStatus, errorThrown) {
throw new Error(textStatus + ': ' + errorThrown);
});