js variable html
<div onload="document.innerHTML(name + ' is ' + age)">js variable html
<div onload="document.innerHTML(name + ' is ' + age)">variables in js
Variables can have anything, you define them as equal to something
eg: var x = 22
var statement = 'hello!'
var isAbool = true
there are three types of variables:
1. var
2. let
3. const
var is a normal variable
let is a variable whose value can be changed eg: let h = 12, h = 10(we changed the value, if you run this, there will be no error)
const is a variable whose value cannot be changed, if you change the value of a const, you will have errors in you codehow to declare variables javascript
//variables are a way to easily store data in javascript
//variables are declared by the var keyword, example...
var x = 10;
//or
var dog_name = "daisy";
//which can also be written as
var dog_name = 'daisy';
//same thing with single quotes and double quotesCopyright © 2021 Codeinu
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