title: How can I declare a matrix in Polymer?
body: <p>I gotta pass this as parameter in a polymer element:</p>
  
  <pre><code>[
    ["id", "nome",     "idade"],
    [1,    "matheus",  16],
    [2,    "cristian", 16],
    [3,    "pedro",    10],
    [4,    "henrique", 10]
  ]
  </code></pre>
  
  <p>how can I declare this variable (a matrix) in the polymer propertie field?</p>
  
  <p>How I declare my element:</p>
  
  <pre><code>&lt;script&gt;
          Polymer({
              is: "table-element",
              properties: {
                  id: String,
                  matrixdata: Array
              },
  
              ready: function() {
                 document.getElementById(this.id).appendChild(criarTabela(this.matrixdata));
              }
          });
  
  
      &lt;/script&gt;
  </code></pre>