diff --git a/tests/javascripts/liveSearch.test.js b/tests/javascripts/liveSearch.test.js
new file mode 100644
index 000000000..4343f68b8
--- /dev/null
+++ b/tests/javascripts/liveSearch.test.js
@@ -0,0 +1,680 @@
+const helpers = require('./support/helpers.js');
+
+beforeAll(() => {
+  require('../../app/assets/javascripts/liveSearch.js');
+});
+
+afterAll(() => {
+  require('./support/teardown.js');
+});
+
+describe('Live search', () => {
+
+  let searchTextbox;
+  let list;
+
+  describe("With a list of radios", () => {
+
+    function getRadiosHTML (departments) {
+
+      let result = '';
+
+      departments.forEach((department, idx) => result += `
+        <div class="multiple-choice">
+          <input id="${department.id}" name="${department.name}" type="radio" value="${department.id}">
+          <label class="block-label" for="${department.id}">
+            ${department.label}
+          </label>
+        </div>
+      `);
+
+      return result;
+
+    };
+
+    beforeEach(() => {
+
+      const departments = [
+        {
+          'label': 'NHS',
+          'id': 'nhs',
+          'name': 'branding'
+        },
+        {
+          'label': 'Department for Work and Pensions',
+          'id': 'dwp',
+          'name': 'branding'
+        },
+        {
+          'label': 'Department for Education',
+          'id': 'dfe',
+          'name': 'branding'
+        },
+        {
+          'label': 'Home Office',
+          'id': 'home-office',
+          'name': 'branding'
+        }
+      ];
+
+      // set up DOM
+      document.body.innerHTML = `
+        <div class="live-search js-header" data-module="live-search" data-targets=".multiple-choice">
+          <div class="form-group">
+            <label class="form-label" for="search">
+                Search branding styles by name
+            </label>
+            <input autocomplete="off" class="form-control form-control-1-1 " id="search" name="search" rows="8" type="search" value="">
+          </div>
+        </div>
+        <form method="post" autocomplete="off" novalidate>
+          ${getRadiosHTML(departments)}
+        </form>`;
+
+      searchTextbox = document.getElementById('search');
+      list = document.querySelector('form');
+
+    });
+
+    describe("When the page loads", () => {
+
+      test("If there is no search term, the results should be unchanged", () => {
+
+        // start the module
+        window.GOVUK.modules.start();
+
+        const listItems = list.querySelectorAll('.multiple-choice');
+        const listItemsShowing = Array.from(listItems).filter(item => window.getComputedStyle(item).display !== 'none');
+
+        expect(listItemsShowing.length).toEqual(listItems.length);
+
+      });
+
+      test("If there is a single word search term, only the results that match should show", () => {
+
+        searchTextbox.value = 'Department';
+
+        // start the module
+        window.GOVUK.modules.start();
+
+        const listItems = list.querySelectorAll('.multiple-choice');
+        const listItemsShowing = Array.from(listItems).filter(item => window.getComputedStyle(item).display !== 'none');
+
+        expect(listItemsShowing.length).toEqual(2);
+
+      });
+
+      test("If there is a search term made of several words, only the results that match should show", () => {
+
+        searchTextbox.value = 'Department for Work';
+
+        // start the module
+        window.GOVUK.modules.start();
+
+        const listItems = list.querySelectorAll('.multiple-choice');
+        const listItemsShowing = Array.from(listItems).filter(item => window.getComputedStyle(item).display !== 'none');
+
+        expect(listItemsShowing.length).toEqual(1);
+
+      });
+
+      test("If an item doesn't match the search term but is selected, it should still show in the results", () => {
+
+        searchTextbox.value = 'Department for Work';
+
+        // mark an item as selected
+        checkedItem = list.querySelector('input[id=nhs]');
+        checkedItem.checked = true;
+
+        // start the module
+        window.GOVUK.modules.start();
+
+        expect(window.getComputedStyle(checkedItem).display).not.toEqual('none');
+
+      });
+
+    });
+
+    describe("When the search text changes", () => {
+
+      test("If there is no search term, the results should be unchanged", () => {
+
+        searchTextbox.value = 'Department';
+
+        // start the module
+        window.GOVUK.modules.start();
+
+        // simulate the input of new search text
+        searchTextbox.value = '';
+        helpers.triggerEvent(searchTextbox, 'input');
+
+        const listItems = list.querySelectorAll('.multiple-choice');
+        const listItemsShowing = Array.from(listItems).filter(item => window.getComputedStyle(item).display !== 'none');
+
+        expect(listItemsShowing.length).toEqual(listItems.length);
+
+      });
+
+      test("If there is a single word search term, only the results that match should show", () => {
+
+        searchTextbox.value = 'Department';
+
+        // start the module
+        window.GOVUK.modules.start();
+
+        // simulate the input of new search text
+        searchTextbox.value = 'Home';
+        helpers.triggerEvent(searchTextbox, 'input');
+
+        const listItems = list.querySelectorAll('.multiple-choice');
+        const listItemsShowing = Array.from(listItems).filter(item => window.getComputedStyle(item).display !== 'none');
+
+        expect(listItemsShowing.length).toEqual(1);
+
+      });
+
+      test("If there is a search term made of several words, only the results that match should show", () => {
+
+        searchTextbox.value = 'Department';
+
+        // start the module
+        window.GOVUK.modules.start();
+
+        // simulate the input of new search text
+        searchTextbox.value = 'Department for';
+        helpers.triggerEvent(searchTextbox, 'input');
+
+        const listItems = list.querySelectorAll('.multiple-choice');
+        const listItemsShowing = Array.from(listItems).filter(item => window.getComputedStyle(item).display !== 'none');
+
+        expect(listItemsShowing.length).toEqual(2);
+
+      });
+
+      test("If an item doesn't match the search term but is selected, it should still show in the results", () => {
+
+        searchTextbox.value = 'Department';
+
+        // mark an item as selected
+        checkedItem = list.querySelector('input[id=nhs]');
+        checkedItem.checked = true;
+
+        // start the module
+        window.GOVUK.modules.start();
+
+        // simulate the input of new search text
+        searchTextbox.value = 'Home Office';
+        helpers.triggerEvent(searchTextbox, 'input');
+
+        expect(window.getComputedStyle(checkedItem).display).not.toEqual('none');
+
+      });
+
+    });
+
+  });
+
+  describe("With a list of checkboxes", () => {
+
+    beforeEach(() => {
+
+      const templatesAndFolders = [
+        {
+          "label": "Appointments",
+          "type": "folder",
+          "meta": "2 templates"
+        },
+        {
+          "label": "New patient",
+          "type": "template",
+          "meta": "Email template"
+        },
+        {
+          "label": "Prescriptions",
+          "type": "folder",
+          "meta": "1 template, 1 folder"
+        },
+        {
+          "label": "New doctor",
+          "type": "template",
+          "meta": "Email template"
+        }
+      ];
+
+      // set up DOM
+      document.body.innerHTML = `
+        <div class="live-search js-header" data-module="live-search" data-targets="#template-list .template-list-item">
+          <div class="form-group">
+            <label class="form-label" for="search">
+                Search branding styles by name
+            </label>
+            <input autocomplete="off" class="form-control form-control-1-1 " id="search" name="search" rows="8" type="search" value="">
+          </div>
+        </div>
+        <form method="post" autocomplete="off" novalidate>
+          <nav id="template-list">
+            ${helpers.templatesAndFoldersCheckboxes(templatesAndFolders)}
+          </nav>
+        </form>`;
+
+      searchTextbox = document.getElementById('search');
+      list = document.querySelector('form');
+
+    });
+
+    describe("When the page loads", () => {
+
+      test("If there is no search term, the results should be unchanged", () => {
+
+        // start the module
+        window.GOVUK.modules.start();
+
+        const listItems = list.querySelectorAll('.template-list-item');
+        const listItemsShowing = Array.from(listItems).filter(item => window.getComputedStyle(item).display !== 'none');
+
+        expect(listItemsShowing.length).toEqual(listItems.length);
+
+      });
+
+      test("If there is a single word search term, only the results that match should show", () => {
+
+        searchTextbox.value = 'New';
+
+        // start the module
+        window.GOVUK.modules.start();
+
+        const listItems = list.querySelectorAll('.template-list-item');
+        const listItemsShowing = Array.from(listItems).filter(item => window.getComputedStyle(item).display !== 'none');
+
+        // should match 'New patient' and 'New doctor'
+        expect(listItemsShowing.length).toEqual(2);
+
+      });
+
+      test("If there is a search term made of several words, only the results that match should show", () => {
+
+        searchTextbox.value = 'New patient';
+
+        // start the module
+        window.GOVUK.modules.start();
+
+        const listItems = list.querySelectorAll('.template-list-item');
+        const listItemsShowing = Array.from(listItems).filter(item => window.getComputedStyle(item).display !== 'none');
+
+        expect(listItemsShowing.length).toEqual(1);
+
+      });
+
+      test("If an item doesn't match the search term but is selected, it should still show in the results", () => {
+
+        searchTextbox.value = 'New patient';
+
+        // mark 'Appointments' item as selected
+        checkedItem = list.querySelector('input[id=templates-or-folder-0]');
+        checkedItem.checked = true;
+
+        // start the module
+        window.GOVUK.modules.start();
+
+        // should show despite not matching
+        expect(window.getComputedStyle(checkedItem).display).not.toEqual('none');
+
+      });
+
+      test("If the items have a block of text to match against, only results that match it should show", () => {
+
+        searchTextbox.value = 'Email template';
+
+        // start the module
+        window.GOVUK.modules.start();
+
+        const listItems = list.querySelectorAll('.template-list-item');
+        const listItemsShowing = Array.from(listItems).filter(item => window.getComputedStyle(item).display !== 'none');
+
+        // 2 items contain the "Email template" text
+        // only the text containing the name of the item is matched against (ie 'New patient')
+        expect(listItemsShowing.length).toEqual(0);
+
+      });
+
+    });
+
+    describe("When the search text changes", () => {
+
+      test("If there is no search term, the results should be unchanged", () => {
+
+        searchTextbox.value = 'Appointments';
+
+        // start the module
+        window.GOVUK.modules.start();
+
+        // simulate input of new search text
+        searchTextbox.value = '';
+        helpers.triggerEvent(searchTextbox, 'input');
+
+        const listItems = list.querySelectorAll('.template-list-item');
+        const listItemsShowing = Array.from(listItems).filter(item => window.getComputedStyle(item).display !== 'none');
+
+        expect(listItemsShowing.length).toEqual(listItems.length);
+
+      });
+
+      test("If there is a single word search term, only the results that match should show", () => {
+
+        searchTextbox.value = 'Appointments';
+
+        // start the module
+        window.GOVUK.modules.start();
+
+        // simulate input of new search text
+        searchTextbox.value = 'Prescriptions';
+        helpers.triggerEvent(searchTextbox, 'input');
+
+        const listItems = list.querySelectorAll('.template-list-item');
+        const listItemsShowing = Array.from(listItems).filter(item => window.getComputedStyle(item).display !== 'none');
+
+        expect(listItemsShowing.length).toEqual(1);
+
+      });
+
+      test("If there is a search term made of several words, only the results that match should show", () => {
+
+        searchTextbox.value = 'Appointments';
+
+        // start the module
+        window.GOVUK.modules.start();
+
+        // simulate input of new search text
+        searchTextbox.value = 'New doctor';
+        helpers.triggerEvent(searchTextbox, 'input');
+
+        const listItems = list.querySelectorAll('.template-list-item');
+        const listItemsShowing = Array.from(listItems).filter(item => window.getComputedStyle(item).display !== 'none');
+
+        expect(listItemsShowing.length).toEqual(1);
+
+      });
+
+      test("If an item doesn't match the search term but is selected, it should still show in the results", () => {
+
+        searchTextbox.value = 'Appointments';
+
+        // mark 'Appointments' item as selected
+        checkedItem = list.querySelector('input[id=templates-or-folder-0]');
+        checkedItem.checked = true;
+
+        // start the module
+        window.GOVUK.modules.start();
+
+        // simulate input of new search text
+        searchTextbox.value = 'Prescriptions';
+        helpers.triggerEvent(searchTextbox, 'input');
+
+        // should show despite not matching
+        expect(window.getComputedStyle(checkedItem).display).not.toEqual('none');
+
+      });
+
+      test("If the items have a block of text to match against, only results that match it should show", () => {
+
+        searchTextbox.value = 'Appointments';
+
+        // start the module
+        window.GOVUK.modules.start();
+
+        // simulate input of new search text
+        searchTextbox.value = 'Email template';
+        helpers.triggerEvent(searchTextbox, 'input');
+
+        const listItems = list.querySelectorAll('.template-list-item');
+        const listItemsShowing = Array.from(listItems).filter(item => window.getComputedStyle(item).display !== 'none');
+
+        // 2 items contain the "Email template" text
+        // only the text containing the name of the item is matched against (ie 'New patient')
+        expect(listItemsShowing.length).toEqual(0);
+
+      });
+
+    });
+
+  })
+
+  describe("With a list of content items", () => {
+
+    function getContentItems (users) {
+
+      function getPermissionsHTML (permissions) {
+
+        const PERMISSIONS = ["Send messages", "Add and edit templates", "Manage settings, team and usage", "API integration"];
+        let permissionsHTML = '';
+
+        PERMISSIONS.forEach(permission => {
+          let can = permissions.includes(permission);
+
+          permissionsHTML += `
+            <li>
+              <span class="tick-cross-${can ? "tick" : "cross"}">
+                <span class="visually-hidden">${can ? "Can" : "Can't"}</span>
+                  ${permission}
+                </span>
+            </li>`;
+
+         });
+
+         return `<ul>
+            ${permissionsHTML}
+          </ul>`;
+
+      };
+
+      let result = '';
+
+      users.forEach(user => result += `
+        <div class="user-list-item">
+          <h3 title="${user.email}">
+            <span class="hint">
+              <span class="live-search-relevant">${user.label} (${user.email})</span> (invited)
+            </span>
+          </h3>
+          <ul class="tick-cross-list">
+            <div class="tick-cross-list-permissions">
+              ${getPermissionsHTML(user.permissions)}
+              <div class="tick-cross-list-hint">
+                  Can see 15 folders
+              </div>
+            </div>
+            <li class="tick-cross-list-edit-link">
+              <a href="/services/6658542f-0cad-491f-bec8-ab8457700ead/cancel-invited-user/21d6d54f-51e2-44ba-b48f-545d678c4c64">Cancel invitation</a>
+            </li>
+          </ul>
+        </div>`);
+
+      return result;
+
+    };
+
+    beforeEach(() => {
+
+      const users = [
+        {
+          "label": "Template editor",
+          "email": "template-editor@nhs.uk",
+          "permissions" : ["Add and edit templates"]
+        },
+        {
+          "label": "Software Developer",
+          "email": "software-developer@nhs.uk",
+          "permissions" : ["Send messages", "Add and edit templates", "team and usage", "API integration"]
+        },
+        {
+          "label": "Team member",
+          "email": "team-member@nhs.uk",
+          "permissions" : ["Send messages", "Add and edit templates"]
+        },
+        {
+          "label": "Administrator",
+          "email": "admin@nhs.uk",
+          "permissions" : ["Send messages", "Add and edit templates", "Manage settings, team and usage", "API integration"]
+        }
+      ];
+
+      // set up DOM
+      document.body.innerHTML = `
+        <div class="live-search js-header" data-module="live-search" data-targets=".user-list-item">
+          <div class="form-group" data-module="">
+            <label class="form-label" for="search">
+                Search by name or email address
+            </label>
+            <input autocomplete="off" class="form-control form-control-1-1 " data-module="" id="search" name="search" rows="8" type="search" value="">
+          </div>
+        </div>
+        <form method="post" autocomplete="off" novalidate>
+          ${getContentItems(users)}
+        </form>`;
+
+      searchTextbox = document.getElementById('search');
+      list = document.querySelector('form');
+
+    });
+
+    describe("When the page loads", () => {
+
+      test("If there is no search term, the results should be unchanged", () => {
+
+        // start the module
+        window.GOVUK.modules.start();
+
+        const listItems = list.querySelectorAll('.user-list-item');
+        const listItemsShowing = Array.from(listItems).filter(item => window.getComputedStyle(item).display !== 'none');
+
+        expect(listItemsShowing.length).toEqual(listItems.length);
+
+      });
+
+      test("If there is a single word search term, only the results that match should show", () => {
+
+        searchTextbox.value = 'admin';
+
+        // start the module
+        window.GOVUK.modules.start();
+
+        const listItems = list.querySelectorAll('.user-list-item');
+        const listItemsShowing = Array.from(listItems).filter(item => window.getComputedStyle(item).display !== 'none');
+
+        expect(listItemsShowing.length).toEqual(1);
+
+      });
+
+      test("If there is a search term made of several words, only the results that match should show", () => {
+
+        searchTextbox.value = 'Administrator (admin@nhs.uk)';
+
+        // start the module
+        window.GOVUK.modules.start();
+
+        const listItems = list.querySelectorAll('.user-list-item');
+        const listItemsShowing = Array.from(listItems).filter(item => window.getComputedStyle(item).display !== 'none');
+
+        expect(listItemsShowing.length).toEqual(1);
+
+      });
+
+      test("If the items have a block of text to match against, only results that match it should show", () => {
+
+        searchTextbox.value = "Add and edit templates";
+
+        // start the module
+        window.GOVUK.modules.start();
+
+        const listItems = list.querySelectorAll('.user-list-item');
+        const listItemsShowing = Array.from(listItems).filter(item => window.getComputedStyle(item).display !== 'none');
+
+        // all items contain the "Add and edit templates" permission so would match if all text was matched against the search term
+        // only the text containing the label and email address is matched against
+        expect(listItemsShowing.length).toEqual(0);
+
+      });
+
+    });
+
+    describe("When the search text changes", () => {
+
+      test("If there is no search term, the results should be unchanged", () => {
+
+        searchTextbox.value = 'Admin';
+
+        // start the module
+        window.GOVUK.modules.start();
+
+        // simulate input of new search text
+        searchTextbox.value = '';
+        helpers.triggerEvent(searchTextbox, 'input');
+
+        const listItems = list.querySelectorAll('.user-list-item');
+        const listItemsShowing = Array.from(listItems).filter(item => window.getComputedStyle(item).display !== 'none');
+
+        expect(listItemsShowing.length).toEqual(listItems.length);
+
+      });
+
+      test("If there is a single word search term, only the results that match should show", () => {
+
+        searchTextbox.value = 'Admin';
+
+        // start the module
+        window.GOVUK.modules.start();
+
+        // simulate input of new search text
+        searchTextbox.value = 'Administrator';
+        helpers.triggerEvent(searchTextbox, 'input');
+
+        const listItems = list.querySelectorAll('.user-list-item');
+        const listItemsShowing = Array.from(listItems).filter(item => window.getComputedStyle(item).display !== 'none');
+
+        expect(listItemsShowing.length).toEqual(1);
+
+      });
+
+      test("If there is a search term made of several words, only the results that match should show", () => {
+
+        searchTextbox.value = 'Admin';
+
+        // start the module
+        window.GOVUK.modules.start();
+
+        // simulate input of new search text
+        searchTextbox.value = 'Administrator (admin@nhs.uk)';
+        helpers.triggerEvent(searchTextbox, 'input');
+
+        const listItems = list.querySelectorAll('.user-list-item');
+        const listItemsShowing = Array.from(listItems).filter(item => window.getComputedStyle(item).display !== 'none');
+
+        expect(listItemsShowing.length).toEqual(1);
+
+      });
+
+      test("If the items have a block of text to match against, only results that match it should show", () => {
+
+        searchTextbox.value = "Admin";
+
+        // start the module
+        window.GOVUK.modules.start();
+
+        // simulate input of new search text
+        searchTextbox.value = 'Add and edit templates';
+        helpers.triggerEvent(searchTextbox, 'input');
+
+        const listItems = list.querySelectorAll('.user-list-item');
+        const listItemsShowing = Array.from(listItems).filter(item => window.getComputedStyle(item).display !== 'none');
+
+        // all items contain the "Add and edit templates" permission so would match if all text was matched against the search term
+        // only the text containing the label and email address is matched against
+        expect(listItemsShowing.length).toEqual(0);
+
+      });
+
+    });
+
+  });
+
+});