@VigneshKashyap
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Oct 18, 2022 · 2 min read · What are Callback functions? Functions that are passed as an argument to another function are called callback. It is invoked inside the outer function to which it is passed as an argument to complete some action, routine, or event. And the function i...
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Oct 10, 2022 · 3 min read · Key points on browser before starting Event Loop Browser has JS Engine which has a Call Stack, In which has it Global execution context, local execution context etc. But browser has many other features in built(in window object)- Local storage spac...
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Oct 10, 2022 · 2 min read · What is Scope? In simple terms Scope is the specific area in code, within this area variables can be accessed. Types of Scope Global Scope Local Scope Global Scope Global scope is the outermost scope in JavaScript. Any variable declared in globa...
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Oct 9, 2022 · 2 min read · What is call stack? Call stack is a process in JavaScript which is used to keep track of functions. When we call a function, JavaScript will add that function to the call stack. If this function invokes another function, JavaScript will add that func...
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Oct 9, 2022 · 1 min read · What Temporal Dead Zone (TDZ) ? A temporal dead zone (TDZ) is the area of a block where a variable(let & const) are not accessible until variable values are initialized. JavaScript will throw a ReferenceError if we attempt to access a variable before...
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