masautt

let arr = ["M", "A", "S", "A", "U", "T", "T"]

//Remove the first element
arr.shift(); // returns "M"

console.log(arr) // --> [ 'A', 'S', 'A', 'U', 'T', 'T' ]

masautt

let arr = ["M", "A", "S", "A", "U", "T", "T"]

//Remove the last element
arr.pop(); // returns "T"

console.log(arr) // --> [ 'M', A', 'S', 'A', 'U', 'T' ]

masautt

function shuffleArray(arr) {
    for (let i = arr.length - 1; i > 0; i--) {
        const j = Math.floor(Math.random() * (i + 1));
        [arr[i], arr[j]] = [arr[j], arr[i]];
    }
    return arr;
}

let arr = [8,6,7,5,3,0,9];

masautt

let start = new Date();

setTimeout(()=> {
  console.log((new Date() - start) / 1000 + " seconds have passed"); // --> 5 seconds have passed
},5000);

masautt

function roundUp(num, prec) {
  prec = Math.pow(10, prec);
  return Math.ceil(num * prec) / prec;
}

function roundDown(num, prec) {
  prec = Math.pow(10, prec);
  return Math.floor(num * prec) / prec;
}
// Built in Math function

masautt

// Remove all whitespace
function delWS1(str) {
  return str.replace(/\s/g,"");
}

// Remove trailing and leading whitepsace
function delWS2(str) {
  return str.replace(/^[ ]+|[ ]+$/g,'');
}

masautt

{
    "editor.accessibilitySupport": "off",
    "editor.mouseWheelZoom": true,
    "workbench.iconTheme": "material-icon-theme",
    "editor.detectIndentation": false,
    "explorer.confirmDelete": false,
    "editor.wordWrap": "on",
    "editor.minimap.enabled": false,
    "terminal.integrated.rendererType": "dom",
    "workbench.colorTheme": "One Dark Pro Vivid",

masautt

function roundUp(num, prec) {
  prec = Math.pow(10, prec);
  return Math.ceil(num * prec) / prec;
}

function roundDown(num, prec) {
  prec = Math.pow(10, prec);
  return Math.floor(num * prec) / prec;
}
// Built in Math function

masautt

{
    "total" : 0,
    "lastUpdated" : "Thu, 07 Nov 2019 22:55:15 GMT"
}

masautt