JavaScript Sample

I have a line in my source code written by someone else: var campaignLimits = 10, campaignsArray = … Read more Defining Multiple Variables With One `var` Keyword In Javascript

I am a beginner to coding and JavaScript but I am doing a practice exercise and I came across somet… Read more Is Using Parseint Extraenous If Unnecessary?

function sumArray(numbers){ var sum; for(var i in numbers){ sum += numbers[i]; } retu… Read more Javascript Variable Initialization Shows Nan

Please note this is not duplicate of existing var vs let scope. I'm aware of the scope of var a… Read more Javascript Es6 'let' And 'var' - Unexpected Behavior Inside Function With Argument Name Matching Redeclared Variable

I found many topics explaining this problem, on how I can fix the following code by using var, like… Read more Loops And Closures. For And Var

I know that JavaScript vars point to a value: var foo = true; //... later foo = false; So in that… Read more How Do Javascript Variables Work?

I am trying to pass a query from my database var aboutUser = connection.query('SELECT about FR… Read more Passing A Variable From Routes.js To My .ejs Page

Please note this is not duplicate of existing var vs let scope. I'm aware of the scope of var a… Read more Javascript ES6 'let' And 'var' - Unexpected Behavior Inside Function With Argument Name Matching Redeclared Variable