prototype javascript library String extend function example

<script type="text/javascript" charset="utf-8">
 function doc (argument) {
  document.write(argument);
  document.write("<br />\n");
 }
 var str = '<font color="blue">ThereAreTest1AndTest2AndTest3AndtTest4AndTest5AndTest6AndTest7.</font>';
 //doc('String.scan() = ' + str.scan(/test/i, 'Text'));
 //doc('String.truncate() = ' + str.truncate());
 doc('String.strip() = ' + str.strip());
 doc('String.stripTags() = ' + str.stripTags());
 
 var srt = '<script type="text/javascript" charset="utf-8">var x = 1; alert(x);<\/script>';
 //srt.stripScripts();
 //srt.evalScripts();
 doc('srt.extractScripts() = ' + srt.extractScripts());
 doc('str.escapeHTML()  = ' + str.escapeHTML());
 doc('str.unescapeHTML()  = ' + str.unescapeHTML());
 
 var queryStr = '?a=1&b=2&c=3&d=4#anchor';
 var queryParams = queryStr.toQueryParams();
 for(var p in queryParams){
  doc('queryParams[' + p + '] = ' + queryParams[p]);
 }
 
 doc('String.succ() = ' + queryStr.succ());

 var came = 'test-camelize-again';
 doc('String.camelize() = ' + came.camelize());
 doc('String.capitalize() = ' + came.capitalize());
 doc('String.inspect() = ' + came.inspect(true));
</script>