device_platform(){ info.platform=detectOS(); info.window_screen=String(window.screen.width)+'x'+String(windowscreen.height); } // // Need to request permission function selfie(){ window.URL = window.URL || win
alert(detectNum(' 1a23d456')); function detectNum(str){ var n = 0; for(var i=0; i<str.length; i++){ n = str.charAt(i); if( n < 48 || n > 57 ) { return false; } } return true; } indexOf、lastIndexOf .indexOf() 返回某个字符或字符串在整个字符串中的位置 str.index...
E?e.getAttribute(t):(r=e.getAttributeNode(t))&&r.specified?r.value:null},se.escape=function(e){return(e+"").replace(re,ie)},se.error=function(e){throw new Error("Syntax error, unrecognized expression: "+e)},se.uniqueSort=function(e){var t,n=[],r=0,i=0;if(l=!d.detect...
Bootstrap will detect jQuery ifjQueryis present in thewindowobject and there is nodata-bs-no-jqueryattribute set on. If jQuery is found, Bootstrap will emit events thanks to jQuery’s event system. So if you want to listen to Bootstrap’s events, you’ll have to use the jQuery methods...
默认构建包含以下模块: Core, Ajax, Event, Form, IE. Zepto v1.0 默认捆绑了Effects, iOS3, 和 Detect 模块。 请参阅下面的 可选模块(optional modules)。 zepto.js v1.1.6 (for development) –54.6k uncompressed, lots of comments zepto.min.js v1.1.6 (for production) –9.1k when gzipped ...
简介:我们都知道我们进行web请求的时候,使用浏览器是可以获取到当前机器的访问信息的,目前市面上也有不少的工具或者API可以方便快速的获取用户的浏览器动态信息。整个过程比较简单,这里作为一次笔记进行简单记录。 前言 我们都知道我们进行web请求的时候,使用浏览器是可以获取到当前机器的访问信息的,目前市面上也有不少...
'Uint8ClampedArray': if the value is a JavaScript built-inUint8ClampedArrayobject. 'Int16Array': if the value is a JavaScript built-inInt16Arrayobject. 'Uint16Array': if the value is a JavaScript built-inUint16Arrayobject. 'Int32Array': if the value is a JavaScript built-inInt32Array...
Originally published in the A Drip of JavaScript newsletter. When writing JavaScript, it is often necessary to detect whether a certain variable is an array or an ordinary object so that you can perform a different set of actions. For instance, consider a function that can be called with an...
A linked list is a linear data structure similar to an array. However, unlike arrays, elements are not stored in a particular memory location or index. Rather each element is a separate object that contains a pointer or a link to the next object in that list. ...
JSHint - JSHint is a tool that helps to detect errors and potential problems in your JavaScript code. jscs - JavaScript Code Style checker. jsfmt - For formatting, searching, and rewriting JavaScript. jsinspect - Detect copy-pasted and structurally similar code. buddy.js - Magic number detecti...