AJAX - The Complete Reference

3 XMLHttpRequest Object T he techniques discussed in the previous chapter use common JavaScript and XHTML features, often in way ...

62 Part I: Core Ideas Browser Native ActiveX Mozilla 1+ Yes No Netscape 7+ Yes No Internet Explorer 5 No Yes Internet Explorer 5 ...

Chapter 3: XMLHttpRequest Object 63 PART I Property or Method Description open(method, url [, asynchronous [, user, password]]) ...

64 Part I: Core Ideas With a basic syntax overview complete, let’s continue our discussion with concrete examples of XHRs in use ...

Chapter 3: XMLHttpRequest Object 65 PART I should be avoided as it is focused on the scripting needs of MS Office Applications a ...

66 Part I: Core Ideas var userAgent = navigator.userAgent; var result = ""; if (activeX === "" && !nativeXHR) result += ...

Chapter 3: XMLHttpRequest Object 67 PART I FIGURE 3-1 Various browsers reporting XHR support ...

68 Part I: Core Ideas FIGURE 3-1 Various browsers reporting XHR support (continued) ...

Chapter 3: XMLHttpRequest Object 69 PART I FIGURE 3-1 Various browsers reporting XHR support (continued) ...

70 Part I: Core Ideas FIGURE 3-1 Various browsers reporting XHR support (continued) ...

Chapter 3: XMLHttpRequest Object 71 PART I FIGURE 3-1 Various browsers reporting XHR support (continued) ...

72 Part I: Core Ideas approach may not be the best course of action. Consider that it is possible for the user to turn off nativ ...

Chapter 3: XMLHttpRequest Object 73 PART I communication, or provide some error message and potentially block the user from the ...

74 Part I: Core Ideas function createXHR() { try { return new XMLHttpRequest(); } catch(e) {} try { return new ActiveXObject("Ms ...

Chapter 3: XMLHttpRequest Object 75 PART I noted at this point that the URL requested must be within the same domain, using the ...

76 Part I: Core Ideas <script type="text/javascript"> function createXHR() { try { return new XMLHttpRequest(); } catch(e) ...

Chapter 3: XMLHttpRequest Object 77 PART I to note the implications of the synchronous communication. The browser, in effect, bl ...

78 Part I: Core Ideas The complete example is now shown. It also can be found online at http://ajaxref.com/ ch3/asyncsend.html. ...

Chapter 3: XMLHttpRequest Object 79 PART I <br /> <div id="responseOutput" class="results" style="display:none;">&am ...

80 Part I: Core Ideas var encodedVal; if (!encodeURIComponent) { encodedVal = escape(val); /* fix the omissions */ encodedVal = ...