靜態方法 URL.createObjectURL() 用於建立一個帶有URL的 DOMString 以代表參數中所傳入的物件. 該URL的生命週期與創造它的window中的 document 一致. 這個新的物件URL 代表了所指定的 File 物件 或是 Blob 物件.
Learn about the static URL.createObjectURL() method, including its syntax, code examples, specifications, and browser compatibility.
var DOMURL = window.URL || window.webkitURL || window; var img = new Image(); var svg = new Blob([data], {type: 'image/svg+xml;charset=utf-8'}); var url = DOMURL.createObjectURL(svg); img.onload = function () { ctx.drawImage(img, 0, 0); DOMURL.revokeObjectURL(url); }...
See Window.captureEvents. Document.caretPositionFromPoint() Returns a CaretPosition object containing the DOM node containing the caret, and caret's character offset within that node. Document.caretRangeFromPoint() Non-standard Gets a Range object for the document fragment under the specified coordin...
从Window对象中获取有用的信息 resize · 操作文档 添加移除节点: 1 <!DOCTYPE html> 2 3 4 5 Shopping list example 6 7 li { 8 margin-bottom: 10px; 9 } 10 11 li button { 12 font-size: 8px; 13 margin-left: 20px; 14 color: #666; 15 } 16 17 18 19 20 My shopping...
window.addEventListener("load", removeColors); function showColorImg() { this.style.display = "none"; this.nextSibling.style.display = "inline"; } function showGrayImg() { this.previousSibling.style.display = "inline"; this.style.display = "none"; } function removeColors() { const images...
url canparse_static index.md createobjecturl_static index.md revokeobjecturl_static index.md url index.md urlsearchparams keys index.md tostring index.md usbdevice clearhalt index.md opened index.md validitystate/patternmismatch index.md view_transitions_api index.md vr...
"Window.fence"], "events": [] }, "File API": { "overview": ["File API"], "guides": ["/docs/Web/API/File_API/Using_files_from_web_applications"], "interfaces": [ "Blob", "File", "FileList", "FileReader", "FileReaderSync" ], "methods": ["URL.createObjectURL_static", "URL...
Firefox Opera Safari Chrome Android Firefox for Android Opera Android Safari on iOS Samsung Internet WebView Android WebView on iOS dataavailableevent Legend Tip: you can click/tap on a cell for more information. Full support Full support
最近不少朋友需要在项目中对接百度语音识别的REST API接口，在读了我之前写的【Recorder.js+百度语音识别...