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Nov 13, 2022 · 8 min read · In this blog, we will learn how to use the JWT token in Nodejs to secure the endpoints and even authenticate users. What is authentication and authorization Authentication and authorization are used in security, particularly when getting access to a ...
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Sep 11, 2022 · 6 min read · What is Scope? A scope is a current execution area in which values and expressions are "visible" or can be referenced. A scope is a current execution area in which values and expressions are "visible" or can be referenced. JavaScript has the followin...
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Sep 10, 2022 · 3 min read · Scope A scope is a current execution area in which values and expressions are "visible" or can be referenced. JavaScript has the following kinds of scopes: Global scope: The default scope for all code running in script mode. Module scope: The scope ...
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Sep 8, 2022 · 3 min read · Introduction to javascript Closures When the inner function accesses values of the outer function it is known as closure. The closure preserves the outer scope inside its inner scope. To understand the closures, you need to know how the lexical scop...
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Aug 25, 2022 · 3 min read · slice and splice are methods used on JavaScript arrays to retrieve certain elements or remove elements from the array. They can be confusing sometimes, but we’ll look at the methods in detail to get a better picture. Slice The term slice means to cut...
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