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<html><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Keywords" name="Keywords"content="JavaScript, examples, JavaScript: The Definitive Guide"><title>Example 14-1 from JavaScript: The Definitive Guide, Fifth Edition</title><style>body { font-family: arial, sans-serif}.lefttitle { font: bold x-small arial, sans-serif; margin: 5px; letter-spacing: .15em; text-transform:uppercase;}.leftcaption { font: italic x-small sans-serif; margin-bottom: 20px;}#banner { font-family:sans-serif; color:#333; font-size:x-large; font-weight:normal; padding:15px; padding-top: 3px; border-bottom:4px double #666;}#banner h1 { font-size: x-large; margin: 0px; padding: 0px;}#banner .description { font-size:large; margin-left: 2px;}pre { border: solid black 1px; background-color: #ddd; padding: 10px; margin: 0px;} </style></script></head><body><div id="banner"><h1>davidflanagan.com/javascript5</h1><span class="description">Example 14-1 from<i>JavaScript: The Definitive Guide, Fifth Edition</i></span></div><div style="float: left; 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text-align: right"><a href="index.html" tppabs="http://www.davidflanagan.com/javascript5/index.html">Table of Examples</a></div><pre>/* * This function parses ampersand-separated name=value argument pairs from * the query string of the URL. It stores the name=value pairs in * properties of an object and returns that object. Use it like this: * * var args = getArgs(); // Parse args from URL * var q = args.q || ""; // Use argument, if defined, or a default value * var n = args.n ? parseInt(args.n) : 10; */function getArgs() { var args = new Object(); var query = location.search.substring(1); // Get query string var pairs = query.split("&"); // Break at ampersand for(var i = 0; i < pairs.length; i++) { var pos = pairs[i].indexOf('='); // Look for "name=value" if (pos == -1) continue; // If not found, skip var argname = pairs[i].substring(0,pos); // Extract the name var value = pairs[i].substring(pos+1); // Extract the value value = decodeURIComponent(value); // Decode it, if needed args[argname] = value; // Store as a property } return args; // Return the object}</pre><div class="lefttitle" style="padding:0px; text-align: right"><a href="index.html" tppabs="http://www.davidflanagan.com/javascript5/index.html">Table of Examples</a></div><p><script type="text/javascript">amazon_ad_tag="davidflanagancom"; amazon_ad_width="300"; amazon_ad_height="250"; amazon_ad_logo="hide";</script><script type="text/javascript" src="../../www.assoc-amazon.com/s/ads.js" tppabs="http://www.assoc-amazon.com/s/ads.js"></script></div></body></html>?? 快捷鍵說(shuō)明
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