new TypedArray(length); new TypedArray(typedArray); new TypedArray(object); new TypedArray(buffer [, byteOffset [, length]]); where TypedArray() is one of: Int8Array(); Uint8Array(); Uint8ClampedArray(); Int16A
For example, 'Byte', 'Float32', etc. GDALDataset.bytes() Get the on-disk representation of the dataset, as an array of bytes. Return value A promise which resolves to a Uint8Array containing the bytes of the dataset. GDALDataset.convert(args) Converts raster data between different ...
Is equivalent tointerface Iterator { next() => { done: Boolean, value?: Any } } interface IterableObject { [Symbol.iterator]: () => Iterator } (paramName: IterableObject) => VoidThe TypedArray TypeIt covers these contructors: Int8Array, Uint8Array, Uint8ClampedArray, Int16Array, Uint...
可以使用postMessage()方法向其他窗口或Worker发送一个Blob;可以将Blob存储在客户端数据库中;可以通过将Blob传递给XHR对象的send()方法,来将该Blob上传到服务端;可以使用URL.createObjectURL()函数获取一个特殊的blob://URL,该URL代表Blob的内容,然后,将其和DOM或者CSS结合使用;可以使用FileReader对象来异步地将...
//从字符串创建 Bloblet blob =newBlob(["<html>…</html>"], {type:'text/html'});//请注意:第一个参数必须是一个数组 [...]//从类型化数组(typed array)和字符串创建 Bloblet hello =newUint8Array([72,101,108,108,111]);//二进制格式的 "hello"let blob =newBlob([hello,'','world']...
dataURL转换为Blob对象 functiondataURLtoBlob(dataurl) {vararr = dataurl.split(','), mime = arr[0].match(/:(.*?);/)[1], bstr =atob(arr[1]), n = bstr.length, u8arr =newUint8Array(n);while(n--){ u8arr[n] = bstr.charCodeAt(n); ...
onload = function (e) { var array = new Uint8Array(this.response); var blob = new Blob([array], { type: "image/jpeg" }); var urlCreator = window.URL || window.webkitURL; var imageUrl = urlCreator.createObjectURL(blob); var img = document.querySelector("#logo"); img.src = ...
通过action, url为服务器的地址 2. 通过http-request(覆盖默认的上传行为,可以自定义上传的实现), 注意此时 on-success 和 on-error事件无法使用方法1: action (上传xls文件) <el-upload class="upload-demo 上传 上传文件 Data 前端使用 JavaScript 上传 Blob # 前端使用 JavaScript 上传 Blob在现代Web开发中...
cache Objectreadonly Inherited from Geometry The cache is used to store values computed from geometries that need to be cleared or recomputed upon mutation. An example is the extent of a polygon. components Property components MeshComponent[] |null |undefinedautocast An array of mesh compon...
image Uint8Array|null|undefined The sprite image data. getSpriteInfo getSpriteInfo Returns the sprite info for the given sprite.SpriteSourceImageInfo Type Definition SpriteSourceImageInfo Object Since: ArcGIS Maps SDK for JavaScript 4.25 VectorTileLayer since 4.25, SpriteSourceImageInfo added at...