Programmer Think

Author Yu ZiyiSource: Ali technical official accountI. IntroductionThis article is an introduction to the principles of V8 compilation, which aims to give you a perceptual understanding of the parsing process of JavaScript in V8. The main writing process of this paper is as follows:Interpreter and compiler: introduction to basic knowledge of co ...

Explain Vue Lifecycle in detail Let's take a look at the introduction of vue life cycle on the official website of vue   Vue instances have a complete life cycle, that is, a series of processes such as creating, initializing data, compiling templates, mounting Dom, rendering → updating → rendering and destruction. We call this th ...

preface If you want to do well, you must first sharpen your tools. In order to improve development efficiency, VScode is selected. Management - Settings - common settings - font Consolas, 'Microsoft YaHei Light', monospace Chinese vscade Prettier formatting code (indented 2 cells) Auto Rename Tag synchronously modifies tags CSS support f ...

1, Object object related methods Object. The getprototypeof method returns the prototype of the parameter object. This is the standard way to get prototype objects. The prototype of the instance object f is the prototype property of the constructor Prototypes of several special objects // The prototype of an empty object is object prototype ...

JS brief introduction characteristic Interpretative languageSyntax structure similar to C and JavaDynamic languagePrototype based object oriented Basic grammar Output statement <script type="text/javascript"> // Control the browser to pop up a warning box alert("This is my first line js code") // Let the ...

Binary tree and binary lookup treeTree is a nonlinear data structure, which stores data in a hierarchical manner. Trees are used to store hierarchical data, such as files in the file system; Trees are also used to store sequence tables.Binary tree is a special tree with no more than two child nodes. Binary tree has some special computational pr ...

Prototype and prototype chain 1. Prototype object Function accesses the prototype object through prototype Instantiated objects pass__ proto__ Accessing prototype objects Constructor, both prototype and__ proto__ A function is an object instantiated by the Function() constructor, so it has__ proto__Function has prototype [ ...

call methodThe call() method calls a function with a specified this value (this points to the execution environment context) and one or more parameters given separately.grammarfun.call(thisArg[, arg1[, arg2[, ...]]])fun: function called.thisArg: required. The value of this specified by the function runtime (this points to the execution environm ...

1 Set set Set: a data structure similar to an array without duplicate values. It is mainly used for array de duplication and string de duplication. 1.1 operation method methodmeaningadd()Add a value and return the Set structure itselfdelete()Delete value, and return a boolean indicating whether the deletion is successfulhas()Judge whethe ...

preface Today, when moving bricks, there is a js requirement on the page to calculate through the js global function eval() according to the passed algorithm, which is really disgusting. Today, the blogger will sort out the JavaScript global function to prevent stumbling by this problem in the future. I hope it will be helpful to you 1, ...