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seonatic/index.html

Created June 27, 2018 13:32
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JS Bin // source https://jsbin.com/darilaz
Raw
index.html
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width">
<title>JS Bin</title>
</head>
<body>
<script id="jsbin-javascript">
function Person (name, age) {
this.name= name;
this.age= age;
this.getInfo = function(){
console.log(this.name + ' ' + this.age);
}
}
var jam = new Person ('James', 22);
jam.getInfo();
let arr = [ 1,3,6,2,4,5,7,8,10];
let sorted = arr.sort( (a,b) => a - b);
var x = sorted.find(el => el - 1 !== sorted.indexOf(el))-1;
console.log (x);
let arr2 = [ 1,3,6,2,4,5,7,8,10];
var b= arr2.reduce (( acc, item) => acc+item);
var n= arr2.length+1;
var total= (n*(n+1))/2;
console.log(total-b);
</script>
<script id="jsbin-source-javascript" type="text/javascript">function Person (name, age) {
this.name= name;
this.age= age;
this.getInfo = function(){
console.log(this.name + ' ' + this.age);
}
}
var jam = new Person ('James', 22);
jam.getInfo();
let arr = [ 1,3,6,2,4,5,7,8,10];
let sorted = arr.sort( (a,b) => a - b);
var x = sorted.find(el => el - 1 !== sorted.indexOf(el))-1;
console.log (x);
let arr2 = [ 1,3,6,2,4,5,7,8,10];
var b= arr2.reduce (( acc, item) => acc+item);
var n= arr2.length+1;
var total= (n*(n+1))/2;
console.log(total-b);</script></body>
</html>
Raw
jsbin.darilaz.js
function Person (name, age) {
this.name= name;
this.age= age;
this.getInfo = function(){
console.log(this.name + ' ' + this.age);
}
}
var jam = new Person ('James', 22);
jam.getInfo();
let arr = [ 1,3,6,2,4,5,7,8,10];
let sorted = arr.sort( (a,b) => a - b);
var x = sorted.find(el => el - 1 !== sorted.indexOf(el))-1;
console.log (x);
let arr2 = [ 1,3,6,2,4,5,7,8,10];
var b= arr2.reduce (( acc, item) => acc+item);
var n= arr2.length+1;
var total= (n*(n+1))/2;
console.log(total-b);
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