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@icron icron/ajax.js forked from Xeoncross/ajax.js
Last active Aug 29, 2015

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/**
* IE 5.5+, Firefox, Opera, Chrome, Safari XHR object
*
* @param string url
* @param object callback
* @param mixed data
* @param null x
*/
function ajax(url, callback, data, x) {
try {
x = new(this.XMLHttpRequest || ActiveXObject)('MSXML2.XMLHTTP.3.0');
x.open(data ? 'POST' : 'GET', url, 1);
x.setRequestHeader('X-Requested-With', 'XMLHttpRequest');
x.setRequestHeader('Content-type', 'application/x-www-form-urlencoded');
x.onreadystatechange = function () {
x.readyState > 3 && callback && callback(x.responseText, x);
};
x.send(data)
} catch (e) {
window.console && console.log(e);
}
};
// https://developer.mozilla.org/en-US/docs/Web/API/XMLHttpRequest
// https://gist.github.com/jed/993585
// https://gist.github.com/Fluidbyte/5082377
// https://github.com/Xeoncross/kb_javascript_framework/blob/master/kB.js#L30
// https://gist.github.com/iwek/5599777
// http://msdn.microsoft.com/en-us/library/ms537505(v=vs.85).aspx#_id
// @todo look into lengthComputable for xhr.upload browsers
// http://stackoverflow.com/questions/11127654/why-is-progressevent-lengthcomputable-false
// http://stackoverflow.com/questions/10956574/why-might-xmlhttprequest-progressevent-lengthcomputable-be-false
// https://github.com/ForbesLindesay/ajax/blob/master/index.js
/**
* IE 5.5+, Firefox, Opera, Chrome, Safari XHR object
*
* @param string url
* @param object callback
* @param mixed data
* @param null x
*/
var ajax(url, callback, data, cache) {
// Must encode data
if(data && typeof(data) === 'object') {
var y = '', e = encodeURIComponent;
for (x in data) {
y += '&' + e(x) + '=' + e(data[x]);
}
data = y.slice(1) + (! cache ? '&_t=' + new Date : '');
}
try {
var x = new(this.XMLHttpRequest || ActiveXObject)('MSXML2.XMLHTTP.3.0');
x.open(data ? 'POST' : 'GET', url, 1);
x.setRequestHeader('X-Requested-With', 'XMLHttpRequest');
x.setRequestHeader('Content-type', 'application/x-www-form-urlencoded');
x.onreadystatechange = function () {
x.readyState > 3 && callback && callback(x.responseText, x);
};
x.send(data)
} catch (e) {
window.console && console.log(e);
}
};
ajax.uriEncode = function(o) {
var x, y = '', e = encodeURIComponent;
for (x in o) y += '&' + e(x) + '=' + e(o[x]);
return y.slice(1);
};
ajax.collect = (a, f) {
var n = [];
for (var i = 0; i < a.length; i++) {
var v = f(a[i]);
if (v != null) n.push(v);
}
return n;
};
ajax.serialize = function (f) {
function g(n) {
return f.getElementsByTagName(n);
};
var nv = function (e) {
if (e.name) return encodeURIComponent(e.name) + '=' + encodeURIComponent(e.value);
};
var i = collect(g('input'), function (i) {
if ((i.type != 'radio' && i.type != 'checkbox') || i.checked) return nv(i);
});
var s = collect(g('select'), nv);
var t = collect(g('textarea'), nv);
return i.concat(s).concat(t).join('&');
};
// https://developer.mozilla.org/en-US/docs/Web/API/XMLHttpRequest
// https://gist.github.com/jed/993585
// https://gist.github.com/Fluidbyte/5082377
// https://github.com/Xeoncross/kb_javascript_framework/blob/master/kB.js#L30
// https://gist.github.com/iwek/5599777
// http://msdn.microsoft.com/en-us/library/ms537505(v=vs.85).aspx#_id
// @todo look into lengthComputable for xhr.upload browsers
// http://stackoverflow.com/questions/11127654/why-is-progressevent-lengthcomputable-false
// http://stackoverflow.com/questions/10956574/why-might-xmlhttprequest-progressevent-lengthcomputable-be-false
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