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The problem Calling a method directly works as expected.But when we pass a method as callback, it loses reference to the original object (as this) when called. Why is that? Can the spec help us explain this difference? The explanation For methods, ...
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In the previous post we have explored the very significant built-in String object. Now we shall see few more built-in objects. Boolean Objects Boolean Constructor called as a Function When it is called as a function then it performs a type convers...
diganta.hashnode.dev
What is a Regular Expression? They are patterns used to match character combinations in Strings. It is a generic feature and has been implemented in many languages. All languages have their own Regular Expression engines built in to process them. Reg...
In our last post we learnt in depth the Function and Array built-in objects. Let us move ahead a see the properties of a String built-in object now. This is a very important built-in object and is very useful for all string manipulations, transform...
In our last post we understood the execution context completely by understanding the this variable and the ways it gets its value and how we can set its value explicitly. At this point, we are equipped enough to dive into the feature of closures. C...
Lexical Environment This is an aspect of the ECMAScript specification that defines the relation or association of Identifiers(names) to specific variables and functions. Lexical environments exist in a nested fashion. The Lexical environment is made...
In our last post we got to understand the constituent properties of the Object type of JavaScript. Now let us have a look at the other types defined in the specification. Reference Specification Type A Reference is a resolved name binding. It is mad...
In the last post we got to know about the strict mode, natives and primitives of JavaScript. Now lets understand in detail about a very important type in JavaScript which basically forms the base of this language called the Object type. An Object in...
Moving on from the last post let us go back to the ECMAScript(JavaScript) specifications and explore the Strict Mode, and the features that define the various datatypes of JavaScript viz. Natives and Primitives The Strict Mode JavaScript is in gene...
In my last post we drilled down the prototype chain until we reached Object and finally hit the null. Now let's reverse our journey and say we have an object which has 2 levels of inheritance above it. So what happens when we try to access it's pa...
