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Access the file contents from inside the callback function and display on console – jQuery
Let’s say the following is our file and we need to read this file using jQuery.
The name of the file details −
Example
Following is the code −
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
</head>
<link rel="stylesheet" href="//code.jquery.com/ui/1.12.1/themes/base/jquery-ui.css">
<script src="https://code.jquery.com/jquery-1.12.4.js"></script>
<script src="https://code.jquery.com/ui/1.12.1/jquery-ui.js"></script>
<body>
<input type="file" id="readFileDemo" onchange="chooseFile()">
</body>
<script>
function chooseFile() {
dataFromMyFile = document.getElementById("readFileDemo").files[0];
readDataFromFile = new FileReader();
readDataFromFile.onload = () => {
data = readDataFromFile.result;
console.log("Your File Data is=");
console.log(data);
};
readDataFromFile.readAsText(dataFromMyFile);
}
</script>
</html>To run the above program, save the file name “anyName.html(index.html)”. Right click on the file and select the option “Open with Live Server” in VSCode editor −
Output
This will produce the following output on console −
Now you can choose the file from the system on clicking “Choose File”. Here, my file name is details. We uploaded the “details.txt” file −
The file contents on console −
Updated on: 09-Nov-2020
439 Views
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