Tag: javascript

The front end

[LeetCode] String Addition – Compare the efficiency of unshift and push in JavaScript arrays

January 13, 2024

by 成雅慧

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Today comes a common test question string addition, YK in several interview have met, such as the degree of small full, good future, etc. Finally...

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The front end

In JS, the “last” return statement always wins

January 13, 2024

by Dana Robertson

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The "last" return gets executed. Don't worry, the above function must return 'one', but in this case, the first return declaration organizes the execution of...

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The front end

In 2020, you must know the JS array tricks

January 13, 2024

by Levi Adkins

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Arrays are an important and common knowledge in Javascript, and we often store data in arrays. As a Javascript engineer, arrays must be comfortable to...

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The front end

Modify styles through CSS variables

January 13, 2024

by Brent Cook-McMahon

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How can JS modify CSS pseudo-class styles? But JS doesn't have a pseudo-class selector, so what can be done? There are a number of methods...

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The front end

Implement Mixins schemes in applets

January 13, 2024

by Jorge Coffey

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In the process of developing applets natively, you find that there are multiple pages that use almost exactly the same logic. Since applets do not...

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The front end

React, one step at a time

January 13, 2024

by Yasmin Tiwari

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Just to be clear: as a new employee, I was not familiar with React, so I started the refactoring project of the official website. At...

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The front end

React is the future of UI. What do you think?

January 13, 2024

by Mrs. Melissa White

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New technologies are emerging and changing rapidly in the UI space. Among other technologies, the authors of this article favor React as the ultimate choice...

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The front end

Deeply implement closure idea, fully understand the formation process of JS closure

January 13, 2024

by Frank Green

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Before writing this article, I was vague about the concept and principle of closures, and had always been wrapping the inner layer with the popular...

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The front end

Js converts the value to tens, billions, trillions and preserves one decimal

January 13, 2024

by Debra Atkinson

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Recently just do the project, there is a number too large directly show ten million, billion and other units of the thumbnail display. Get online...

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The front end

Want a different checkbox? Try iOS Style Switch! :)

January 13, 2024

by Lorraine Skinner

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Demo: https://weatherstar.me/Switch/ the sparrow is small, all-sided. Karma + jasmine + Travis -ci + coveralls + webpack + Babel + ES6, hope to give you...

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The front end

Wechat JSSDK — H5 sharing package

January 13, 2024

by 呂怡安

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When it comes to wechat sharing, it is actually quite a pit. At the beginning of the connection, I thought that I could get the...

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The front end

In JavaScript undefined

January 13, 2024

by 沈怡安

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Undefined is a basic data type in JavaScript that has a unique value called Undefined. In general, undefined refers to the undefined property of the...

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The front end

What does function hijacking do? Front end hacking technology revealed

January 13, 2024

by Kathryn Paterson-Murphy

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What is function hijacking? In fact, it is to call the function to add a layer of wrapper function, in the wrapper function to call...

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The front end

Dive into CommonJs and ES6 Modules

January 12, 2024

by Grace Allen

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UMDCommonJses6moduleumd if you see this code in the header of a JS file, then this file uses the UMD specification and is actually amd+ CommonJS...

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The front end

Then ((resp) => {}) is not a complete response solution

January 12, 2024

by Robert Olson

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I used umi-request because there was a requirement to use response.blob(), but I found that the RESP returned after calling request then((resp) => {}) was...

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The front end

Open source a ReactNative calendar control

January 12, 2024

by Paula Barton

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Generally, Party A will drag and drag on a page, see a calendar, and want to slide to the next week. Since the React-Native Calendar-strip...

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The front end

For loop in JS – points you may not know about.

January 12, 2024

by 王佳慧

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The setTimeout() callback is an asynchronous task, which appears in the macro task queue and is pushed to the end of the task queue. This...

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The front end

Mobile Debug- Debug JS code for Mobile H5 pages using debugger breakpoints from the console

January 12, 2024

by Prisha Kapadia

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Mobile Debug enables you to Debug any online or offline pages (including HTTPS) on your physical machine (real handheld device), capture agent data, and hijack...

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The front end

ES2021 Features (2)

January 12, 2024

by 熊雅萍

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The indexable set arr. Every (callback(Element [, index[, array]])[, thisArg]) returns whether all elements pass the callback test. The callback function stops once it returns...

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The front end

Ohbug Front End Weekly No. 18 – Parcel 2

January 12, 2024

by Yashvi Karan

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The front-end ecosystem at the top has started to use Rust refactoring, and it is expected that more frameworks using Rust will appear in the...

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The front end

Don’t let your preference get in the way: embrace the arrow function!

January 12, 2024

by 黃淑華

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Sometimes Bias is Holding You Back: It's Time to Embrace Arrow Functions It's Time to Embrace Arrow Functions...

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ios

Probably the most polished third-party iOS open source chart library on the planet

January 12, 2024

by Alisha Srivastava

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The AAChartKit project, the Objective-C version of AAInfographics, is an object-oriented, easy-to-use, extremely elegant charting control package based on the popular open source front-end charting...

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The back-end

Node to Go: A rough comparison

January 12, 2024

by Andrew Forsyth

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While I used more rigorously compiled languages like C++ and C# in college and some of my first jobs, I started using JavaScript. I love...

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The front end

Text animation, a few lines of code page effect instantly improved

January 12, 2024

by Ashley Lopez

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Animate - Text lightweight and easy to use text animation

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The front end

Don’t overestimate yourself, this problem, a little difficult!

January 12, 2024

by 李淑娟

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The mystery really lies in the block-level scope if. Let's say we get rid of the if. No one is going to ask this question,...

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The front end

Understand undefined in JavaScript

January 12, 2024

by Joanne Patton

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The concept of undefined in JavaScript is somewhat confusing compared to other languages. In particular, trying to understand referenceErrors (" x is not defined ")...

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reading

JEESZ distributed framework development environment deployment

January 12, 2024

by 王佳慧

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Install Maven: The maven installation process is unzipped (E:\myprj\jeesz-maven\apache-maven-3.1.1). For your convenience, we have provided the related installation package, which will be shared under the...

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reading

I use Aliyun to do live broadcasting. What means are there to protect the security of live broadcasting?

January 12, 2024

by 曾哲瑋

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Opening aliYun Live streaming service: Aliyun live streaming service receives live streaming and provides the broadcast address. To complete a live streaming, you need to...

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The front end

Talk about front-end caching

January 12, 2024

by Heer Konda

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We all know that caching pages helps reduce the number of requests sent and optimizes the page. However, in my front-end working life, I always...

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The front end

Easy Web performance optimization

January 12, 2024

by 刁冠宇

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This is an article about performance optimization, and it's a great article to read. It's so rich, it takes about 5-10 minutes to read. Over...

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