38 lines
901 B
JavaScript
38 lines
901 B
JavaScript
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function getXHR(){
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var xhr;
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try {
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xhr = new ActiveXObject("Msxml2.XMLHTTP");
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} catch (e) {
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try {
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xhr = new ActiveXObject("Microsoft.XMLHTTP");
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} catch (e) {
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xhr = false;
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}
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}
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if (!xhr && typeof XMLHttpRequest !== 'undefined') {
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xhr = new XMLHttpRequest();
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}
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return xhr;
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}
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function getURL(url, params, callback) {
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if (Object.keys(params).length > 0) {
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var pairs = [];
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for (key in params) {
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pairs.push(key +'='+ encodeURIComponent(params[key]))
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}
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url += '?'+ pairs.join('&');
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}
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var xhr = getXHR();
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xhr.open('GET', url, true);
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xhr.onreadystatechange = function() {
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if (xhr.readyState === 4) {
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if(xhr.status === 200) {
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callback(JSON.parse(xhr.responseText));
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}
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}
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};
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xhr.send(null);
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}
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