daanta-real

function generateRandomPassword(length) {
  const charset = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789!@#$%^&*()-_+=[]{}|;:,.<>? ";
  let password = "";
  for (let i = 0; i < length; i++) {
    const randomIndex = Math.floor(Math.random() * charset.length);
    password += charset[randomIndex];
  }
  return password;
}

daanta-real

var a1;
var a2 = [];
var a3 = {};
var a4 = {x:undefined};
var a5 = {x:'1'};

console.log("a1:", a1?.x || 'error');
console.log("a2:", a2?.x || 'error');
console.log("a3:", a3?.x || 'error');
console.log("a4:", a4?.x || 'error');

daanta-real

function toCamelCase(str){
      var regExp=/[-_]\w/ig;
      return str.toLowerCase().replace(regExp,function(match){
            return match.charAt(1).toUpperCase();
       });
}
function toCamelCaseList(arr) {
    let result = [];
    arr = arr.split("\n");
    for(var a of arr) {

daanta-real

<Style type="text/css">
pre { display:none; background:red; color:white; font-weight:bold; padding:5px; width:850px; }
</Style>

<pre id="debugPre" style="display:none;">
Your debugging HTML HERE
</pre>

<script type="text/javascript">

daanta-real

function printFormData(formId) {
  
    const formEl = document.getElementById(formId);
    const formData = new FormData(formEl);

    const params = {};
    for(const [key, val] of formData.entries()) {
      params[key] = val;
    }

daanta-real

// Give dynamic rainbow colored borders to ALL the elements being found in query. Quite useful for testing CSS
function rainbow(query, styles) {
    var colors = ['Red', 'Lime', 'Blue', 'Yellow', 'Cyan', 'Magenta', 'Silver', 'Gray', 'Maroon', 'Olive', 'Green', 'Purple', 'Teal', 'Navy']
    document.querySelectorAll(query).forEach(function(el) {
        var rand = Math.floor(Math.random() * colors.length);
        var color = colors[rand];
        el.style.border = '2px ridge ' + color;
        if(styles != undefined) {
            for(var [key, val] of Object.entries(styles)) {
                el.style[key] = val;

daanta-real

package utils.logging;

import ch.qos.logback.classic.Logger;
import ch.qos.logback.classic.LoggerContext;
import ch.qos.logback.classic.encoder.PatternLayoutEncoder;
import ch.qos.logback.classic.spi.ILoggingEvent;
import ch.qos.logback.core.AppenderBase;
import org.slf4j.LoggerFactory;

public class CustomAppender extends AppenderBase<ILoggingEvent> {

daanta-real

<style>
  @keyframes fadeout {
      from { opacity:1; }
      to { opacity:0; }
  }
  .toast {
      position:fixed; left:0; bottom:0; padding:10px;
      font-size:50px; color:red; font-weight:900;
      animation: fadeout 1s ease-in forwards;

daanta-real

// if you put isHTML parameter true you'll get newline char as br HTML tag, or just get "\n"
function jsonBeautifier(jsonTxt, isHTML) {
  let result = JSON.stringify(JSON.parse(jsonTxt), null, 4);
  if(isHTML) result = result.replaceAll("\n", "<br />");
  return result;
}

daanta-real

// String 채우기(padding)
// 사용법: getPaddedStr(원본문자열, 패딩이 포함된 총 길이, 채울 문자열, 채울 방향)
// ex) getPaddedStr("1135j", 10, "#", "left") = "#####1135j"
function getPaddedStr(strOrg, width, to, direction) {
    if(!strOrg) return "";
    var strOrg = new String(strOrg), len = strOrg.length;
    if(len >= width) return strOrg;
    var strPad = new Array(width - len + 1).join(to);
    return (direction == "left"