8-6.js let jsonResults; function getData(){ fetch('https://jsonplaceholder.typicoce.com/todos/) .then(response => response.json()) .then(json => saveData(json))); } functdion saveData(json){ jsonResults = json; console.log(jsonResults); } document.addEventListener("DOMContentLoaded", (...
(asyncResult) { if (asyncResult.status === 'succeeded') { var myFile = asyncResult.value, state = { file: myFile, counter: 0, sliceCount: myFile.sliceCount }; getSliceData(state); } }); } // Get a slice from the file, as specified by // ...
在上面的例子中,预览图片的src使用了”data:image/png;base64,xxxxxxxxxxxxx”这种形式的字符串(base64),这种字符串叫做DataURI对象,允许将一个小文件进行编码后嵌入到另外一个文档里,格式为: data:[<MIME type>][;charset=<charset>][;base64],<encoded data> 这个字符串可以分为三部分,即声明:参数+数据,...
再就是这样的。 各种的psd文件再加上文字无法表达色彩和构图的关键信息，时间一久就让我无法分辨这些区别。 以前的解决办法 以前我的办法就是一张一张的保存。然后放到文件的中。或者是采用新版本或者自带预览功能的软件。（这两种办法要不就是有局限性太麻烦，要不就是做到让哭555555）再加上每天再设计的过程...
// bad // filename es6.js export { es6 as default } from './AirbnbStyleGuide'; // good // filename es6.js import { es6 } from './AirbnbStyleGuide'; export default es6;10.4 Only import from a path in one place. eslint: no-duplicate-imports Why? Having multiple lines that impo...
('get',excelUrl,true);oReq.responseType='blob';oReq.onload=function(){varblob=oReq.response;excelIO.open(blob,LoadSpread,function(message){console.log(message);});};oReq.send(null);}functionLoadSpread(json){jsonData=json;workbook.fromJSON(json);workbook.setActiveSheet("Revenues (Sales)")...
除此之外,还可以使用readAsDataURL()方法把上传的文件转为base64格式的data URI,比如上传头像展示或者编辑: const fileInput = document.getElementById("fileInput"); const preview = document.getElementById("preview"); const reader = new FileReader(); fileInput.onchange = (e) => { reader.readAsData...
from the worker itself via the close() command.DEMO: You can test this slightly enhanced sample in your browser here: https://david.blob.core.windows.net/html5/HelloWebWorkers_EN.htmPosting messages using JSONOf course, most of the time we will send more structurated data to the Workers...
我们将在按钮的点击事件中导入用户选择的本地文件。document .getElementById("open").onclick = ...
.then(function(response) {letdb =newwindow.SQL.Database(newUint8Array(response.data));// 执行查询lets =newDate().getTime();letr = db.exec("SELECT * FROM sys_user WHERE status = 1;");lete =newDate().getTime();console.info("查询数据耗时:"+ (e - s) +"ms");// 解析数据letob...