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Angular JS Validar Si es Array o es un Objeto el respose

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<span class="pln">$scope</span><span class="pun">.</span><span class="pln">wps_lsProduct </span><span class="pun">=</span><span class="pln"> rest</span><span class="pun">.</span><span class="pln">product</span><span class="pun">.</span><span class="pln">getLista</span><span class="pun">;</span><span class="pln">
 
</span><span class="kwd">if</span><span class="pln"> </span><span class="pun">(!</span><span class="typ">Array</span><span class="pun">.</span><span class="pln">isArray</span><span class="pun">(</span><span class="pln">$scope</span><span class="pun">.</span><span class="pln">wps_lsProduct</span><span class="pun">))</span><span class="pln"> </span><span class="pun">{</span><span class="pln">
    console</span><span class="pun">.</span><span class="pln">log</span><span class="pun">(</span><span class="str">"No es array[] ..."</span><span class="pun">);</span><span class="pln">               
    $scope</span><span class="pun">.</span><span class="pln">wps_lsProduct </span><span class="pun">=</span><span class="pln"> </span><span class="pun">[];</span><span class="pln">
    $scope</span><span class="pun">.</span><span class="pln">wps_lsProduct</span><span class="pun">.</span><span class="pln">push</span><span class="pun">(</span><span class="pln">rest</span><span class="pun">.</span><span class="pln">product</span><span class="pun">.</span><span class="pln">getLista</span><span class="pun">);</span><span class="pln">
</span><span class="pun">}</span>

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