Загрузить файл JavaScript
<input id="fileupload" type="file" name="fileupload" />
<button id="upload-button" onclick="uploadFile()"> Upload </button>
Impossible Ibis
<input id="fileupload" type="file" name="fileupload" />
<button id="upload-button" onclick="uploadFile()"> Upload </button><input id='fileid' type='file' hidden/>
<input id='buttonid' type='button' value='Upload MB' />function updateImageDisplay() {
while(preview.firstChild) {
preview.removeChild(preview.firstChild);
}
const curFiles = input.files;
if(curFiles.length === 0) {
const para = document.createElement('p');
para.textContent = 'No files currently selected for upload';
preview.appendChild(para);
} else {
const list = document.createElement('ol');
preview.appendChild(list);
for(const file of curFiles) {
const listItem = document.createElement('li');
const para = document.createElement('p');
if(validFileType(file)) {
para.textContent = `File name ${file.name}, file size ${returnFileSize(file.size)}.`;
const image = document.createElement('img');
image.src = URL.createObjectURL(file);
listItem.appendChild(image);
listItem.appendChild(para);
} else {
para.textContent = `File name ${file.name}: Not a valid file type. Update your selection.`;
listItem.appendChild(para);
}
list.appendChild(listItem);
}
}
}