Permeable-Glossary/2.0/main-Copy1.js

///////// filters with buttons ///////////

filterSelection("all")
function filterSelection(c) {
  var x, i;
  x = document.getElementsByClassName("word");
  if (c == "all") c = "";
  // Add the "show" class (display:block) to the filtered elements, and remove the "show" class from the elements that are not selected
  for (i = 0; i < x.length; i++) {
    w3RemoveClass(x[i], "show");
    if (x[i].className.indexOf(c) > -1) w3AddClass(x[i], "show");
  }
}

// Show filtered elements
function w3AddClass(element, name) {
  var i, arr1, arr2;
  arr1 = element.className.split(" ");
  arr2 = name.split(" ");
  for (i = 0; i < arr2.length; i++) {
    if (arr1.indexOf(arr2[i]) == -1) {
      element.className += " " + arr2[i];
    }
  }
}

// Hide elements that are not selected
function w3RemoveClass(element, name) {
  var i, arr1, arr2;
  arr1 = element.className.split(" ");
  arr2 = name.split(" ");
  for (i = 0; i < arr2.length; i++) {
    while (arr1.indexOf(arr2[i]) > -1) {
      arr1.splice(arr1.indexOf(arr2[i]), 1);
    }
  }
  element.className = arr1.join(" ");
}

// Add active class to the current control button (highlight it)
var btnContainer = document.getElementById("legend");
var btns = btnContainer.getElementsByClassName("btn");
for (var i = 0; i < btns.length; i++) {
  btns[i].addEventListener("click", function() {
    var current = document.getElementsByClassName("active");
    current[0].className = current[0].className.replace(" active", "");
    this.className += " active";
  });
}


/////////////. ADD SNIPPETS TO A DIV ../////////

var snippet = document.getElementsByTagName("strong");
var sptContainer = document.getElementById("sptContainer");

for (var i = 0; i < snippet.length; i++) {
    sptContainer.innerHTML += "<button class='btn snippet'>"+ snippet[i].innerText + "</button>";
}


//////////// Randomise Font ////////////////

// JavaScript code to pick 
// a random color from array
function pickColor() {

    // Array containing colors
    var colors = [
        '#ff0000', '#00ff00', '#0000ff',
        '#ff3333', '#ffff00', '#ff6600'
    ];

    // selecting random color
    var random_color = colors[Math.floor(
            Math.random() * colors.length)];

    var x = document.getElementById('pick');
    x.style.color = random_color;
} 


//////////Search Bar ////////////////////


function search_word() {
    let input = document.getElementById('search').value;
    input=input.toLowerCase();
    let x = document.getElementsByClassName('word');
      
    for (i = 0; i < x.length; i++) { 
        if (!x[i].innerHTML.toLowerCase().includes(input)) {
            x[i].style.display="none";
        }
        else {
            x[i].style.display="show";                 
        }
    }
}