Created
April 24, 2014 17:42
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Trigger a file open dialog and read local file in JavaScript
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| /* | |
| * Trigger a file open dialog and read local file, then read and log the file contents | |
| */ | |
| var element = document.createElement('div'); | |
| element.innerHTML = '<input type="file">'; | |
| var fileInput = element.firstChild; | |
| fileInput.addEventListener('change', function() { | |
| var file = fileInput.files[0]; | |
| if (file.name.match(/\.(txt|json)$/)) { | |
| var reader = new FileReader(); | |
| reader.onload = function() { | |
| console.log(reader.result); | |
| }; | |
| reader.readAsText(file); | |
| } else { | |
| alert("File not supported, .txt or .json files only"); | |
| } | |
| }); | |
| fileInput.click(); |
Hello, on Chrome the "change" event is not triggered the first time, just the second and so...
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Is there any way to catch the event of cancelling open dialog?