All JS related Questions

i have some process to run in background when people is playing with Node JS Electron Application . so main thread remain untouched , and background process do their job without any leg to main screen. i want to download some server data to process so local application remain up to date . but json data should be downloaded in the background process so main application remain undisturbed so is it possible to run multi threading in Node JS programmed application it should be multi threading in Node JS or multi processing in node.js . so it can share the load of application to scale up the applications by splitting a single thread into multiple thread , is that possible in Node JS

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how to use stream in Node JS ?

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trying to connect Node Js with SQLite but don't know where to start so how to connect SQLite in Node JS ?

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in above code one object contain property lis to object and another its value which multidimensional array of object. i try to get property name and than try to use it to get its value from another and its not working so , how to get dynamic property of object in JavaScript ?

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what is memory leak in JavaScript ? how can i prevent it ?

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How to force Browser to load fresh copy of CSS/JS files ? i am debugging with web application which have use cache module , when i do some change in CSS or JS , It Always load cached version of it so i always need to go back end each time and remove cache and try again to load my change. so it is very time consuming to debug with cached application so is there any hack i can do which help me to debug with cached application so it load my changes on CSS and JS ? How can I force Browser to refresh JavaScript/ CSS files?

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what use of apply() method in JavaScript ? myArray.apply('a') means it append to myArray or what ? or apply() method means apply logic for all array value ?

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what is use of spread operator in JavaScript ? how one can use spread operator ? what meaning of ... (spread operator ) , what spread operation does in above code ?

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difference between setInterval and setTimeout in JavaScript ? pros and cons of setInterval and setTimeout over each other ? which one is best to use or more useful in between setInterval and setTimeout ?

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How to get installed module list in Node JS ?

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what is plus in Node JS over JavaScript ? because as i learn Node.js and i see that it work same as JavaScript . Node JS also run JavaScript . so why one made Node JS ? what is pros and cons of Node JS over JavaScript ?

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