13-5.html

来自「js 全的样例代码,比较适合大家学习和交流」· HTML 代码 · 共 33 行

/*
 * This function parses comma-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.
 */
function getArgs() {
    var args = new Object();
    var query = location.search.substring(1);     // Get query string.
    var pairs = query.split(",");                 // Break at comma.
    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.
	args[argname] = unescape(value);          // Store as a property.
	// In JavaScript 1.5, use decodeURIComponent() instead of escape()
    }
    return args;                                  // Return the object.
}

/*
 * We could have used getArgs() in the previous bouncing window example
 * to parse optional animation parameters from the URL.
 */
var args = getArgs();                 // Get arguments.
if (args.x) x = parseInt(args.x);     // If arguments are defined...
if (args.y) y = parseInt(args.y);     // ... override default values.
if (args.w) w = parseInt(args.w);
if (args.h) h = parseInt(args.h);
if (args.dx) dx = parseInt(args.dx);
if (args.dy) dy = parseInt(args.dy);
if (args.interval) interval = parseInt(args.interval);