Tag：Browser
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Time：2021-8-2
It’s the golden three silver April when job hopping. In the middle of April, the blogger sorted out several front-end interview questions for everyone. I hope it won’t be too late 1. DOCTYPE function? What is the difference between standard mode and compatible mode? （1） The declaration is located on the first line of the […]
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Time：2021-8-2
Original linkhttps://segmentfault.com/a/11… What is cross domain agreement + domain name + portOne difference is considered cross domain Why cross domain Homology policy is a kind of agreement. It is the most core and basic security function of the browser. Without homology policy, the browser is vulnerable to attack. Solution Scenario 1 Assuming that the website […]
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Time：2021-8-2
Train of thought analysis Back to the top effect, the idea is actually very simple. There is a box at the beginning, which is fixed in the lower right corner of the browser web page and should be hidden at the beginning. Only when the scroll exceeds the height of the first screen will it […]
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Time：2021-8-2
Click hijack protection Click hijack middleware and decorator provide a simple and easy to use, rightClick hijackProtection of. This attack occurs when a malicious site induces a user to click on the covered element of another site, which has been loaded into the hidden elementframeoriframeYes. Example of click hijacking Suppose an online store has a […]
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Time：2021-8-2
On December 20, Tencent’s open source cross end framework hippy. Within Tencent, hippy has been running for three years. A total of 18 online businesses across BG are using hippy, with an average daily PV of more than 100 million, and a complete ecosystem has been established. Compared with other cross end frameworks, hippy is […]
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Time：2021-8-1
preface Session: a session contains multiple requests and responsesNote: a session means that the browser sends a request to the server for the first time, and the session is established until one party disconnects Function: share data between multiple requests in a session Method:(1) Client session Technology: cookies(2) Server side session Technology: session Cookie Concept: […]
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Time：2021-8-1
What interesting new features did chrome 89 just released in early March bring? background For more than a decade, web technology has advanced by leaps and bounds, among which Chrome has contributed the most, it can be said that there is no one. I have discussed this in my previous blog: JavaScript in simple terms […]
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Time：2021-8-1
Recently, when browsing technical articles in my spare time, I saw an article about voice reading:Use JavaScript to make your browser speak, the article mentioned that you canspeechSynthesisLet the modern browser read the specified content by voice, which stimulated my curiosity to explore, so I have the following. The execution of code snippets mentioned in […]
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Time：2021-8-1
preface Wake up mode: 1、URL Schemes 2、android appLink 3、chrome intent 1. Deeplink practices URL schemes a. It needs to be configured in the androidmanifest.xml file <activity android:name=”.ui.activity.SplashActivity” android:exported=”true” android:screenOrientation=”portrait” android:theme=”@style/NormalSplash”> <intent-filter> <action android:name=”android.intent.action.MAIN” /> <category android:name=”android.intent.category.LAUNCHER” /> </intent-filter> <!– Deeplink H5 wake up app configuration — > <intent-filter> <!– ACTION_ View: supports being retrieved — […]
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Time：2021-8-1
Distributed crawler, intelligent parsing, message queuing, de duplication and scheduling The most frequent and largest crawlers around us are several search engines. However, the crawling method of search engine is quite different from that of our crawler engineers, and there is not much reference value. Today we want to talk about the crawler in the […]
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Time：2021-8-1
After January 12, 2021, Adobe Flash was disabled. Although Adobe announced this three years ago, it still had a great impact on many applications. Because Adobe Flash will be actively uninstalled by most browsers. So how to avoid this? Actively reduce the version of flash. Modify the flash configuration file mms.cfg. The first method can […]
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Time：2021-7-31
1、 Type and calculation of variables 1. Variable type //Value type let a = 200; let b = a; a = 100; console.log(a, b) //Reference type let a = { age: 24 }; let b = a; b.age = 25; console.log(a, b); What is the difference between value type and reference type? Value type, value […]
