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JavaScript you don't know (Volume I) Chapter 3: let keywords 1. In Chapter 4, we will discuss promotion Promotion means that a declaration is considered to exist in the entire scope of the scope in which it appears. However, declarations made with let s are not promoted in the block scope. The declaration is not valid until the declared ...

preface❤️ The gentle sunset is always mixed with poetry and distance ❤️ 1, PC side web page effects (1) Element offset offset series 1.1 offset overview Offset translates to offset. We can dynamically get the position (offset) and size of the element by using the relevant attributes of offset series. Obtain the position of the element ...

Selenium element operation 1. In the process of using Selenium, it is not enough to locate the element and operate the browser WebDriver object. More importantly, we need to operate an element (1) for example: input data into the input box, click the button, etc 2. After locating an element using the element location method, find_element_by_* ...

contentwebsiteJavaScript personal learning notes Summary - quick starthttps://blog.csdn.net/weixin_50594210/article/details/115112096?spm=1001.2014.3001.5501JavaScript personal learning notes Summary - functionhttps://blog.csdn.net/weixin_50594210/article/details/115113081?spm=1001.2014.3001.5501JavaScript personal learning notes Summary - ...

contentwebsiteJavaScript personal learning notes Summary - quick starthttps://blog.csdn.net/weixin_50594210/article/details/115112096?spm=1001.2014.3001.5501JavaScript personal learning notes Summary - functionhttps://blog.csdn.net/weixin_50594210/article/details/115113081?spm=1001.2014.3001.5501JavaScript personal learning notes Summary - ...

After looking at the development and advantages of so many webgpus, do you feel a little itchy and think, WebGPU sounds so complex, how do you start? How to publish a WebGPU Project? We don't know if it's only three steps to put the elephant in the refrigerator, but we can tell you how easy it is to make a WebGPU project with Orillusion's temp ...

Object can encapsulate multiple associated data to better describe a thing. Using objects to describe things is more conducive for us to separate real things into a data structure in the code: therefore, some programming languages are pure object-oriented programming languages, which are better than Java; When creating any class, you need to ab ...

Currying Currying It is a high-order technology about function. It is used not only in JavaScript, but also in other programming languages. Coriolism is a function conversion, which refers to converting a function from callable f(a, b, c) to callable f(a)(b)(c). Corellization does not call functions. It just converts functions. Let's take a ...

CSS selector and its priority Selector nameformatPriority weightid selector #id100Class selector .className10attribute selectors a[ref="eee"]10Pseudo class selectorli:last-child10tag chooser div1Pseudo element selectorli:after1Adjacent Sibling Selectors h1+p0Child selectors ul>li0Descendant Selectors li a0Wildcard selector*0 For selector pr ...

ES6: ECMAScript6 I. new features of ES6 1.let variable declaration and declaration features 1.1 let Let keyword is used to declare variables. Variables declared with let have the following characteristics: let a; let b,c,d; let e = 100; let f = 521,g= 'iloveyou',h = []; 1. Variables cannot be declared repeatedly let star = ' ...