RoseCrime

 let lastlink = location.pathname.split('/').filter(el => el)

 lastlink = lastlink[lastlink.length - 1]


 $('.category_sidebar a').each((index, element) => {
//.category_sidebar a is just selector for your menu links
     let href = $(element).attr('href').split('/').filter(el => el)
     href = href[href.length - 1]

RoseCrime

const reverser = (text) =>{
let string = text,
reverse = ''
  for(i=string.length-1;i>=0;i--){
    reverse+= string[i]
  }
return reverse
}

RoseCrime

//Logging
const log = val => console.log(val),
      error = message => console.error(message),
      type = val => log(typeof val)

//Math
let random = (min, max) => Math.random() * (max - min + 1) + min,
    floor = val => Math.floor(val),
    abs = val => Math.abs(val)

RoseCrime

const xlsx = require('xlsx')
/* original data */
let data = [
    {"name":"John", "city": "Seattle"},
    {"name":"Mike", "city": "Los Angeles"},
    {"name":"Zach", "city": "New York"}
]

/* make the worksheet */
let ws = XLSX.utils.json_to_sheet(data)

RoseCrime

const multiplier = factor => x => x * factor
let doubler = multiplier(2)

//doubler(4) = 8

/*
function multiplier(factor) {
    return function (x) {
        return x * factor
    }

RoseCrime

let vals = [1, 3, 65, 7, 3, 2, 6, 75, 3, 42, 12, 312, 23]

let sum = vals.reduce((storage, val) => storage + val)
console.log(sum);


let biggest = vals.reduce((storage, val) => val > storage ? val : storage),
    lowest = vals.reduce((storage, val) => val > storage ? storage : val)

RoseCrime

let vals = [1, 3, 65, 7, 3, 2, 6, 75, 3, 42, 12, 312, 23]
vals = vals.map(x => x * 2)
console.log(vals);

RoseCrime

let vals = [1, 3, 65, 7, 3, 2, 6, 75, 3, 42, 12, 312, 23]

vals = vals.filter(num =>!(num % 2))
/*vals = vals.filter(num =>num % 2 == 0)*/
//same thing

console.log(vals);