JavaScript for Beginners: Understanding the BasicsLet’s first describe about the data types in JavaScript there are 3 types of datatypes they are var, let const var can be redeclared and reassigned var x=10 var x=23 console.log(x) //23 these is allowed in var Let can be re assigned but not re-declar...Apr 3, 2025 · 2 min readvaishnavidevdiary.hashnode.dev
Mastering JavaScript Fundamentals: A Starter's Handbookfor..in v/s for...of: By using the for..in i get the indexes only but with the help of those indexes i can get the values at that index. By using the for...of I can only get the value only values directly I don’t get the indexes. <script> let ar...Apr 1, 2025 · 2 min readvaishnavidevdiary.hashnode.dev
JavaScript Arrays Explained: Everything You Need to KnowArray is special type of object that is used to store similar kind of in a single variable We can create an array in two ways by using literal and also by the help of new Array wee can use the difference between these two usage int arr=[9] <script> ...Mar 31, 2025 · 1 min readvaishnavidevdiary.hashnode.dev
Master Oracle SQL with Quick Revision TipsBasics Horizontal ones are called as rows, records, tuples Vertical ones are called as columns, field , attribute what is row? row is a collection of field values. what is column ? column is a collection of one field values Based on operation SQL is ...Mar 31, 2025 · 2 min readvaishnavidevdiary.hashnode.dev
Mastering Grid Layouts: A Detailed OverviewGrid container A grid layout starts by setting a container element as grid using display property. display: grid; Grid Items The child items inside the container is called grid items. Defining rows and columns In a grid we can define as many as rows ...Mar 31, 2025 · 1 min readvaishnavidevdiary.hashnode.dev
