techsin

// Function to encode secret data into image pixels
function encodeDataIntoImage(imageData, secretData) {
    // Assuming imageData is a Uint8ClampedArray representing pixel data of the image
    // and secretData is the string to be hidden
    
    // Convert secretData into binary
    let binarySecret = secretData.split('').map(char => char.charCodeAt(0).toString(2)).join('');

    // Embed binary data into least significant bits of image pixel values
    for (let i = 0; i < binarySecret.length; i++) {

techsin

/**
 * @param {number[]} nums
 * @param {number[]} index
 * @return {number[]}
 * https://leetcode.com/problems/create-target-array-in-the-given-order/submissions/
 */

function Node(val) {
    this.val = val;
    this.next = null;

techsin

console.log($0.offsetWidth)
console.log($0.clientWidth)
console.log($0.scrollWidth)
console.log($0.getBoundingClientRect().width)
console.log(getComputedStyle($0).width)
console.log($0.clientLeft)
console.log($0.offsetLeft)
console.log($0.scrollLeft)
console.log(innerWidth)
console.log(outerWidth)

techsin

{ 
'color': css.color,
'font-family': css.fontFamily, 
'font-size': css.fontSize,
'font-style': css.fontStyle,
'font-variant': css.fontVariant,
'font-weight': css.fontWeight,
'letter-spacing': css.letterSpacing,
'line-height': css.lineHeight, 
'text-align':css.textAlign ,

techsin

a = ['a','b', 'c']
for (let i = 0; i < 3; i++) {
    var c = a[i];
    setTimeout(()=> console.log(c)); // c c c
}

//is same as, var is function scoped
var c;
a = ['a','b', 'c']
for (let i = 0; i < 3; i++) {

techsin

let str = document.cookie;

let obj = {};

let key = '';
let value = '';
let isValue = false;
for (let i = 0; i < str.length; i++) {
    let char = str[i];

techsin

// $container - css selector for nodes that need to be sorted
// $number - css selector for node with number

function sortElements($container, $number) {
  const hash = new Map();
  const list = Array.from(document.querySelectorAll($container));

  for (let i = 0; i < list.length; i++) {
    for (let j = i; j < list.length; j++) {
      const element = list[i];

techsin

function wrk() {
  var blobURL = URL.createObjectURL(new Blob(['(',

    function () {
      for (let i = 0; i < 5000000000; i++) { } console.log(1000);
    }.toString(),

    ')()'], { type: 'application/javascript' }));

  const worker = new Worker(blobURL);

techsin

console.log('%cFrom the 3rd party -------------', 'font-weight: bold;');
document.cookie = `test=; expires=${new Date().toGMTString()}`;
console.log(document.cookie);

console.log('%cwriting cookie...', 'font-weight: bold;');
document.cookie = 'test=123';

console.log('%coutput', 'font-weight: bold;');
console.log(document.cookie);

techsin

document.querySelectorAll('audio').forEach((au) => {
  const url = au.currentSrc;
  fetch(url).then(r => r.blob()).then(obj => downloadAudio(obj));
})

function downloadAudio(blob) {
  const ele = document.createElement('a');
  let counter = 0;

  downloadAudio = function (blob) {