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Question 174 of 521

Part 4: Prototypes, Object Methods & Event Loop (174 - 253)

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JavaScript Internals (521 Qs)•Part 4: Prototypes, Object Methods & Event Loop (174 - 253)

How do you make synchronous HTTP request

Browsers provide an XMLHttpRequest object which can be used to make synchronous HTTP requests from JavaScript.

javascript
  function httpGet(theUrl) {
    var xmlHttpReq = new XMLHttpRequest();
    xmlHttpReq.open("GET", theUrl, false); // false for synchronous request
    xmlHttpReq.send(null);
    return xmlHttpReq.responseText;
  }
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