title: Uncaught TypeError: $(...).children(...)[0].css is not a function
body: <p>I am getting this error in my jQuery selector when I am trying to get my table's all rows' height value in a for loop.</p>
  
  <p>This is the selector I use to traverse all rows of the table: </p>
  
  <pre><code>for (var i = 0; i &lt; myTable.rows.length; i++) {
      var currentRow = $('#table-' + currentGraphOptions.id +' &gt; tbody').children()[i];
  
      var rowsHeight = currentRow.css('height');
  }
  </code></pre>
  
  <p>The error on the title is as a result of rowsHeight. </p>
  
  <p>This is full error: </p>
  
  <pre><code>Uncaught TypeError: $(...).children(...)[0].css is not a function
  at Scope.eval (eval at evaluate (unknown source), &lt;anonymous&gt;:1:65)
  at Object.InjectedScript._evaluateOn (&lt;anonymous&gt;:905:55)
  at Object.InjectedScript._evaluateAndWrap (&lt;anonymous&gt;:838:34)
  at Object.InjectedScript.evaluateOnCallFrame (&lt;anonymous&gt;:964:21)
  at Scope.controllers.controller.$scope.saveDashboard (http://localhost:9001/scripts/controllers/DashboardCtrl.js:497:61)
  at $parseFunctionCall (http://localhost:9001/bower_components/angular/angular.js:12404:18)
  at ngEventDirectives.(anonymous function).compile.element.on.callback (http://localhost:9001/bower_components/angular/angular.js:21566:17)
  at Scope.$get.Scope.$eval (http://localhost:9001/bower_components/angular/angular.js:14466:28)
  at Scope.$get.Scope.$apply (http://localhost:9001/bower_components/angular/angular.js:14565:23)
  at HTMLAnchorElement.&lt;anonymous&gt; (http://localhost:9001/bower_components/angular/angular.js:21571:23)
  </code></pre>