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Id
7257024
data
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2011-08-31T12:41:28.180
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2011-08-31T12:41:28.180
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2011-08-31T14:21:14.417
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2011-08-31T14:21:14.417
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Body
In your case (GET method) you need to pass the variables in the open method directly (at the end of the url) <pre><code>xhr.open("GET", "http://csce:8080/test/index.jsp?id=c6c684d9cc99476a7e7e853d77540ceb", true); xhr.send(null); </code></pre> <hr> Goyuix's technic is only correct in the case of the POST method: <pre><code>xhr.open("POST", "http://csce:8080/test/index.jsp", true); xhr.setRequestHeader("Content-Type", "application/x-www-form-urlencoded"); xhr.send("id=c6c684d9cc99476a7e7e853d77540ceb"); </code></pre> <hr> You might want to use the uri encoding global function as a good practice in case you have spaces or other special characters in your parameter: POST method: <pre><code>var myVar1 = encodeURIComponent("c6c684d9cc99476a7e7e853d77540ceb"); xhr.open("POST", "http://csce:8080/test/index.jsp", true); xhr.setRequestHeader("Content-Type", "application/x-www-form-urlencoded"); xhr.send("id=" + myVar1); </code></pre> GET method: <pre><code>var myVar1 = encodeURIComponent("c6c684d9cc99476a7e7e853d77540ceb"); xhr.open("GET", "http://csce:8080/test/index.jsp?id=" + myVar1, true); </code></pre> <hr> FYI, this is how you retrieve the parameters passed to the JSP page: We are using JSP's core library (this lib must be in your web app's /WEB-INF/lib/ directory) to output the value of the parameter called "id". <pre><code><%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %> <c:out value="${param.id}"/> </code></pre>
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1. POWhy is my code failing to pass parameters from JavaScript to JSP using XMLHttpRequest?
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1. USAdrien Be
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1. USAdrien Be
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