/**/
/** 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.}
/**/
/** 使用举例 test.php?x=1&y=2....*/
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);
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