From 074785cea106179cb3305637055ab0a009ca74f2 Mon Sep 17 00:00:00 2001 From: Peter Bengtsson Date: Tue, 8 Dec 2020 14:42:52 -0500 Subject: initial commit --- files/pt-br/web/api/filereader/onload/index.html | 29 ++++++++++++++++++++++++ 1 file changed, 29 insertions(+) create mode 100644 files/pt-br/web/api/filereader/onload/index.html (limited to 'files/pt-br/web/api/filereader/onload/index.html') diff --git a/files/pt-br/web/api/filereader/onload/index.html b/files/pt-br/web/api/filereader/onload/index.html new file mode 100644 index 0000000000..53b5774e88 --- /dev/null +++ b/files/pt-br/web/api/filereader/onload/index.html @@ -0,0 +1,29 @@ +--- +title: FileReader.onload +slug: Web/API/FileReader/onload +tags: + - Arquivo + - Event Handler + - FileReader + - Manipulador de eventos + - Propriedade +translation_of: Web/API/FileReader/onload +--- +

{{APIRef}}

+ +

A propriedade FileReader.onload contém um manipulador de eventos (event handler) executado quando o evento de carregamento ({{event('load')}})  é ativado, quando o conteúdo lido com  readAsArrayBuffer, readAsBinaryString, readAsDataURL ou readAsText fica disponível.

+ +

Exemplo

+ +
// Callback de um <input type="file" onchange="onChange(event)">
+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);
+}
+
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