To add a data URL blob to both the src of an image and populate an input field, you'll need to convert the file into a data URL format first. Think of the steps involved: 1) Use a FileReader to read the file data. 2) Once the file is read, it provides a result that contains the data URL. 3) Assign this result to the image src and the input field's value directly.
Using jQuery, here's how you'd implement it: Let's assume you have a file input, and on change, you would read the file. For example: fileInput.on('change', function(event) { const file = event.target.files[0]; const reader = new FileReader(); reader.onload = function(e) { const imageUrl = e.target.result; $('#image' + n).attr('src', imageUrl); $('#img' + n).val(imageUrl); }; reader.readAsDataURL(file); });
It's crucial to note that while setting the src to a data URL is straightforward, you also need to ensure your input field reflects the correct source. A common approach is to update both simultaneously while adequately handling the image's size properties.
Bear in mind that using data URLs for images can significantly inflate the size of your documents, depending on the size of the images you're working with. Consider the implications on performance, especially for large files.
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