Deep copy and shallow copy
A shallow copy refers to the same block of memory, so if you change any value in it, the other value will change. Deep copy...
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Tag: javascript
LeetCode102. Sequence traversal of binary trees
December 7, 2023
by Leslie Hansen-O'Neill
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If you are given a binary tree, return the value of the node that you obtained by traversing it in order. (That is, layer by...
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Do you know this mock
December 7, 2023
by Kevin Mendoza
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Mockjs allows you to intercept Ajax requests and return mock response data without modifying the existing code. Data classes
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Ts implements text editor from zero
December 7, 2023
by Wendy Carr
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NPM init-Y is used to initialize the project. In order to configure webpack, you need to install WebPA
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Based on Vue2 source code, find the reason why defineProperty To Proxy
December 7, 2023
by Jason Larsen
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As we all know, the new VERSION of Vue3 uses Proxy API for reactive processing of data while discarting defineProperty API. Why? I put the...
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No longer fragmented learning, quickly master H5 live technology
December 7, 2023
by Katherine Todd
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No longer fragmented learning, quickly master H5 live technology
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[Performance optimization Practice] Optimize packaging strategy to improve page loading speed
December 7, 2023
by Angela Allen
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Note the packaged resource dependencies and the order in which resources are imported. 1. Introduction Performance optimization covers a very wide range, which contains very...
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JavaScript: Know closures
December 7, 2023
by Yashvi Tella
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What is a closure? Closures are functions that can read variables inside other functions. Because in the Javascript language, only subfunctions inside functions can read...
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Understand closures and scopes
December 7, 2023
by Michael Hart
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Lexical scope A scope is a set of rules for finding variables by their identifier names. Javascript is a lexical scoped language. Lexical scope means...
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Write a JavaScript
December 7, 2023
by John Gibb
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This article is reprinted from 32 handwritten JS to strengthen your JS foundation. Array flattening Array flattening is the process of turning a multidimensional array...
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Objects and functions in JavaScript
December 7, 2023
by Aarav Sami
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An object is an unordered collection of data defined by curly braces. It consists of key-value pairs separated by colons. If an object contains multiple...
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Linked Lists of Data Structures (part 3)
December 7, 2023
by Maria Harvey
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Insert an element at any location. This time, let's implement the Insert method. Use this method to insert an element anywhere.
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Close reading design Patterns – Observer Patterns
December 7, 2023
by Rebecca Harmon
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The Observer pattern is a behavioral pattern. Intent: Define a one-to-many dependency between objects so that when an object's state changes, all dependent objects are...
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Vue Analysis — How to respond to interview questions
December 7, 2023
by Robert Taylor
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In recent interviews, interviewers have been asking questions about Vue source code and "family buckets". So how do we respond better to these questions? Here...
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JavaScript Basics – Prototypes and prototype chains
December 7, 2023
by Dr. Russell Brown
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First of all, an Object has a prototype and a prototype chain. Through the prototype chain, we can find the "inheritance" of the Object, find...
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Js – Scope chain
December 7, 2023
by Katie Grant
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Scope: Is responsible for collecting and maintaining a series of queries made up of all declared identifiers (variables) and enforcing a very strict set of...
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Anti-shake and throttling
December 7, 2023
by 崔惠如
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The purpose of anti-shake and throttling is to limit the number of times the function is executed, reduce the number of requests, and optimize. In...
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JS modular specification
December 7, 2023
by Jessica Barton
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This article is mainly introduced about the MODULAR specification in JS including (CommonJS,AMD,CMD,Babel-ES6).
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Js inherits in six ways
December 7, 2023
by Anna Wolfe
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Foreword this article explains js inheritance in detail six ways, to ensure that a look to understand, the example is very paste and, no sense...
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Asynchronous history of JavaScript
December 7, 2023
by Renee Zacharia
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The author will illustrate the history of asynchronous development with practical examples, and introduce the advantages and disadvantages of each implementation method in order to...
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Front-end interviews daily 3+1 — Day 739
December 7, 2023
by Emily Smith
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[HTML] In H5, how to solve the problem of long press qr code image recognition or error? [CSS] Flex :1 What is smoking
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Explain archetypes and inheritance
December 7, 2023
by 路宇軒
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Let's take a look at an example before we get down to business. Let's say 👇 try to expand Parent and you'll see that it...
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Several common methods of removing the weight of JS array
December 7, 2023
by Martin Lane
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IndexOf method IE8 does not support array indexOf method IE8 does not support array indexOf method IE8 does not support array indexOf method IE8 does...
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Js special reference types – Number and String common methods
December 7, 2023
by Lydia Fisher
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Number is the reference type corresponding to the numeric value. To create a Number object, you can pass a numeric value into it when you...
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DOM event flow, event delegate
December 7, 2023
by Jessica Cameron
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Defining the DOM (Document Object Model) structure is a tree structure. When an HTML element generates an event, the event is propagated along the path...
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CommonJS Module and ES6 Module
December 7, 2023
by Mr. Robert Padilla
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CommonJS is a module specification that was originally applied to Nodejs as the module specification for Nodejs. JavaScript running on the browser side lacks a...
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【 Dissolve data structure 】 explain heap structure in detail, and realize the minimum heap structure
December 7, 2023
by 周詩涵
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How to judge the maximum, minimum, do you have a good method? It's better to try using heap implementation, hand write a heap structure, take...
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Check that the data type is higher than typeof
December 7, 2023
by Saanvi Hari
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Core method 3. Closure 4. For loop creates a function that determines the data type (higher-order function). Currization function)
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JavaScript throttling and anti-shaking
December 7, 2023
by Ross Brown-Anderson
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Function stabilization: a function that is triggered frequently and only triggers the function once within a specified period of time. For example: - The user...
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