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+---
+title: FileReader.onload
+slug: Web/API/FileReader/onload
+tags:
+  - Arquivo
+  - Event Handler
+  - FileReader
+  - Manipulador de eventos
+  - Propriedade
+translation_of: Web/API/FileReader/onload
+---
+<p>{{APIRef}}</p>
+
+<p>A propriedade <strong>FileReader.onload</strong> contém um manipulador de eventos (event handler) executado quando o evento de carregamento ({{event('load')}})  é ativado, quando o conteúdo lido com  <a href="/en-US/docs/Web/API/FileReader/readAsArrayBuffer">readAsArrayBuffer</a>, <a href="/en-US/docs/Web/API/FileReader/readAsBinaryString">readAsBinaryString</a>, <a href="/en-US/docs/Web/API/FileReader/readAsDataURL">readAsDataURL</a> ou <a href="/en-US/docs/Web/API/FileReader/readAsText">readAsText</a> fica disponível.</p>
+
+<h2 id="Exemplo">Exemplo</h2>
+
+<pre class="brush:js; line-numbers  language-js"><code class="language-js">// Callback de um &lt;input type="file" onchange="onChange(event)"&gt;
+function onChange(event) {
+  var file = event.target.files[0];
+  var reader = new FileReader();
+  reader.onload = function(event) {
+    // O arquivo de texto será impresso aqui
+    console.log(event.target.result)
+  };
+
+  reader.readAsText(file);
+}
+</code></pre>