- Date:13/04/2022
- Day:Wednesday
Today, I started at about 10:50 am as I was doing the java script course so, I started with the remaining part so, as I was done with seven modules and started with the eighth module so, I started with this as it is based upon high level detail of java script firstly the instructor started with redefining the java script as java script is high level,prototype based, multi paradigm,single threaded so, he stated that the things the java script perform are far than even this and after this the instruct started with java script engine as every browser have its own java script engine it have two parts so the java script code written is firstly passed as parsing and after this compilation takes place and at last execution takes place so, this way whole cycle beings and ends so, the web api's are main components of java script as with the help of the web api's the user would able to do changes on the web itself and changes does not reloading of page it occurs side by side after this the instructor actually taught that how the java script code is executed firstly the code i.e the outside code call the functions after this there is execution of functions and waiting for callbacks and after this the instructor explained the call stack as firstly the function with arguments is put into the stack and after this the return is put into the stack and at last I got to learn about scope of variables like if we declare the variable outside the braces it's global and if it is declared inside it have access inside the function . so, this way my day ended up and I got to learn many new things.
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