curious-greg/static/script.js
2018-11-02 17:46:49 +10:00

42 lines
No EOL
1.2 KiB
JavaScript

Node.prototype.gel = function (id) {
return this.getElementById(id);
}
Node.prototype.gcn = function (classname) {
return this.getElementsByClassName(classname);
}
function dgel(id) {
return document.getElementById(id);
}
function dgcn(classname) {
return document.getElementsByClassName(classname);
}
/**
* Asynchronous function. Promises the text content of url. Automatically adds/removes from the loading counter.
* @param {string} url URL to request. Note that unless cross-domain is specifically permitted, this URL must come from the same domain as this file.
*/
async function ajax(url) { //must be called from an async function! use 'await', e.g. "var result = await ajax('https://google.com');"
return new Promise(resolve => {
var pageGetter = new XMLHttpRequest;
pageGetter.onreadystatechange = function () {
if (this.readyState == 4 && this.status == 200) {
resolve(this.responseText);
} else if (this.readyState == 4) {
resolve('Error: Expecting HTTP 200, got HTTP ' + this.status)
}
}
pageGetter.open('GET', url, true)
pageGetter.send();
});
}
async function cont() {
url = dgel('instance-input').value;
if (url.substr(0,8) != "https://") {
url = "https://" + url
}
}