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JS | Auto-complete feature using Trie | Search Suggestions System | Coding Round Interview Question

Given an array of strings products and a string searchWord. We want to design a system that suggests at most three product names from products after each character of searchWord is typed. Suggested products should have common prefix with the searchWord. If there are more than three products with a…

2 min read

new* | JS | Search Suggestions System | | Auto-complete feature using Trie | Coding Roun

Published in TheLeanProgrammer

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Solution To The Browser Inconsistency Problem

Normalize CSS approach or the CSS Reset Approach — As a rule, we want an HTML element to look the same way, independent of which browser is being used to view it. Unfortunately, this is not the case because of the way browsers run. CSS Resets A CSS resets aims to remove all built-in browser styling. It says we don’t need…

CSS

3 min read

An attempt to solve the browser inconsistency problem

Feb 10

Apple Coding Round | JS | Compare Ojects |Deep equality comparison

These usually use recursion to deeply compare two objects, accounting for most scenarios such as empty values, special types and nesting. function objectEquals(x, y) { 'use strict'; if (x === null || x === undefined || y === null || y === undefined) { return x === y; } …

2 min read

Feb 10

Pseudo-classes(:) | Pseudo-elements(::)

Pseudo-classes select regular elements but under certain conditions, like when their position relative to siblings or when they’re under a particular state. Here is a list of pseudo-classes in CSS3: Dynamic pseudo-classes :link :visited :hover :active :focus UI element states pseudo-classes :enabled :disabled :checked Structural pseudo-classes :first-child :nth-child(n) :nth-last-child(n) :nth-of-type(n)

HTML

1 min read

Feb 10

JS| How do you check if an object is an array or not?

Answer: In JavaScript, we can check if a variable is an array by using 3 methods, using the isArray method, using the instanceof operator, and using checking the constructor type if it matches an Array object. Method 1: Using the isArray method The Array.isArray() method checks whether the passed variable…

Javscript

1 min read

Feb 10

JS | Count vowel from a String

Logic: First of all we will write a variable that will contain a count of vowels, we will make it initialize it with 0. The main think , We can make a string of all vowels like ‘aeiou’ then we an use includes method with each character as argument to…

Java Script

1 min read

Published in TheLeanProgrammer

·Dec 6, 2021

Longest Substring with K Distinct Characters

JS|Sliding Window Technique — The best thing I came across was the problem-solving patterns like Sliding Window. Following this pattern helped me nurture my ability to map a new problem to an already known problem. Input: s = "eceba", k = 2 Output: 3 Explanation: The substring is "ece" with length 3. Input: String="araaci"…

Java Script

2 min read

Longest Substring with K Distinct Characters

Published in TheLeanProgrammer

·Dec 1, 2021

JS |Minimum swaps to get together 1’s

Amazon Interview Question — Input : arr[] = [ 1, 0, 1, 0, 1 ] Output : 1 Explanation: Only 1 swap is required to group all 1's together. Swapping index 1 and 4 will give arr[] = [1, 1, 1, 0, 0] Input : arr[] = [1,0,1,0,1,0,0,1,1,0,1] Output : 3 Swaps required Efficient…

2 min read

Sep 25, 2021

JavaScript | Print first letter of every word in the string

Input: S = "bad is good" Output: big Algorithm: 1. Traverse string str. And initialize a variable v as true. 2. If str[i] == ' '. Set v as true. 3. If str[i] != ' '. Check if v is true or not. a) If true, copy str[i] to output…

Java Script

1 min read

Sep 25, 2021