Sergey RusJstudent

## index.md

      
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                dSalieri
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              July 10, 2024 07:37
            
              
                Promise изнутри
              
          
    Автор: dSalieri
Версия ECMAScript, используемая в объяснении: Draft ECMA-262 / June 24, 2022
Версия WHATWG, используемая в объяснении: Living Standard - 22 August 2022
Последнее изменение документа: 13.12.2022


## index.md

      
              1 file
            
          
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              4 comments
            
          
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                dSalieri
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              July 2, 2024 14:06
            
              
                Аргумент resolve внутри Promise и Promise.resolve работают ли они одинаково?
              
          
    Вопрос: Есть две цепочки promise, которые выводят сообщения в консоль. Первый выводит: tick1, tick2, tick3. Второй: tick3, tick1, tick2
Код 1:
/// Код 1
const p = new Promise(resovle => setTimeout(resovle));

new Promise(resolve => resolve(p)).then(() => {
    console.log("tick 3");
});

  
## what-forces-layout.md

      
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                paulirish
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              July 24, 2024 14:23
            
              
                What forces layout/reflow. The comprehensive list.
              
          
    What forces layout / reflow

All of the below properties or methods, when requested/called in JavaScript, will trigger the browser to synchronously calculate the style and layout*. This is also called reflow or layout thrashing, and is common performance bottleneck.
Generally, all APIs that synchronously provide layout metrics will trigger forced reflow / layout. Read on for additional cases and details.
Element APIs

Getting box metrics


elem.offsetLeft, elem.offsetTop, elem.offsetWidth, elem.offsetHeight, elem.offsetParent