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Sharon Rosner http://hiperu.blogspot.com

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Easily get a single element with jQuery

While jQuery is a great help, a lot of times I just need to grab a single element. It's a real PITA to have to write $('#mydiv').get(0) all the time, so here's a solution:

   1  
   2  $.first = function(a, b) {return $(a, b).get(0)};
to javascript jquery by ciconia on Jul 18, 2006 1 Comments

Get element attributes by namespace

This function returns a hash containing an elements attributes for the specified namespace. If a null namespace is specified, the function returns all attributes without a namespace.

It's optimized for speed rather than beauty.

   1  
   2  function elementAttributesNS(e, ns) {
   3    if (!this.__namespaceRegexps)
   4      this.__namespaceRegexps = {};
   5    var regexp = this.__namespaceRegexps[ns];
   6    if (!regexp) {
   7      this.__namespaceRegexps[ns] = regexp = 
   8      ns ? eval("/^" + ns + ":(.+)/") : /^([^:]*)$/;
   9    }
  10    var result = {};
  11    var atts = e.attributes;
  12    var l = atts.length;
  13    for (var i = 0; i < l; i++) {
  14      var m = atts[i].name.match(regexp);
  15      if (m)
  16        result[m[1]] = atts[i].value;
  17    }
  18    return result;
  19  }
to javascript by ciconia on Jul 04, 2006
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