@roshith
front end developer
Nothing here yet.
Nothing here yet.
May 11, 2022 · 2 min read · These are conditions which are nested with many levels of if and else statements. Let’s see why this is wrong and how to do it correctly. More you nest the conditions, one inside other, harder the code will be able to read. With the GUARD CLAUSES te...
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Dec 20, 2021 · 3 min read · *var keyword uses something called functional scope where as let keyword uses block scope. Let's see an example function test(){ console.log(i) // undefined var i = 3; console.log(i) // 3 } Due to hoisting behaviour of var keyword, the first ...
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Sep 7, 2021 · 1 min read · Consider we have an array of some values and we need to access the last element of the array. Normally what we do is that let arr = [1,2,3,4,5]; let lastElement = arr[arr.length - 1] // 5 The above is the code is used to get the last element of an a...
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Sep 5, 2021 · 1 min read · There are two types of data types in javascript Primitive values Non-Primitive (All other values are Object) Javascript type hierarchy Javascript has 7 primitive data type string Number Boolean undefined null symbol biginit All primitive types a...
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