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Call LitElement method from outside the element

By : Екатерина Амелина
Date : October 01 2020, 03:00 AM
This might help you I have a simple LitElement component like so: , You don't need to use shadowRoot in the call :
code :
var element = document.getElementById('element');

element.customMethod('example data');
<my-element id='element'></my-element>

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Uncaught TypeError: Object #<HTMLDivElement> has no method 'height' - Can't call jquery method on element

By : D-rod B-man
Date : March 29 2020, 07:55 AM
I wish this helpful for you In your each() method, this refers to the DOM element, not a jQuery object (hence you can't call jQuery methods on it). Instead of
code :
elm = this
elm = $(this)

Robotframwork SudsLibrary generating additional element when it call "Call Soap Method"

By : tunidevone
Date : March 29 2020, 07:55 AM
will help you Very likely the problem is that the login method does not take its arguments wrapped in an object, but directly. Suds creates types for all methods, but these are not needed to call the methods. If you look in the output from Create Soap Client you will probably see something like logIn(username, password). That means you pass the arguments directly and not in some object.
code :
Library           Selenium2Library
Library           Collections
Library           String
Library           uuid
Library           Dialogs
Library           SudsLibrary

    Create Soap Client      http://xxxxxxxxx:18080/xxxxx_b/xxx?wsdl
    ${result}=  Call Soap Method    logIn       some_username    some_password
    log to console       ${result}

How can i use (WebElement webdriverWait till element is clickable) in method and call that method for re use

By : Sarahí Elizondo
Date : March 29 2020, 07:55 AM
I hope this helps you . As per my code below, i need to use Wait element regularly. Is there any way where as i can re use this code by calling method? , I think what you are looking for is something like this
code :
public static void ClickLink_Accounts() throws IOException
    CaptureScreenshot.Screenshot(driver, "Application HomePage-");

public static void ClickLink_Tasks() throws IOException
    CaptureScreenshot.Screenshot(driver, "Application HomePage-");

public static void waitForHeader()
    new WebDriverWait(driver, 50).until(ExpectedConditions.elementToBeClickable(header));
public static void ClickLink(By locator) throws IOException
    CaptureScreenshot.Screenshot(driver, "Application HomePage-");

Viewing the value of an element in litElement

By : user3193342
Date : March 29 2020, 07:55 AM
This might help you I have a very simple element that wrap an element. Coming from Polymer, I am having a bit of a hard time adjusting. I want to display the value of the range. , I would do only some minor adjustments
code :
import { LitElement, html } from 'lit-element'

class InputRange extends LitElement {
  static get properties () {
    return {
      shownValue: {
        type: String,
        attribute: false

  constructor () {
    this.shownValue = 10;

  render () {
    return html`
      <input value="${this.shownValue}" @change=${this.updateShownValue} type="range" id="native">
      <span>VALUE: ${this.shownValue}</span>

  updateShownValue (e) {
    this.shownValue = e.srcElement.value

  anotherFunction () {
      this.shownValue = 80;
window.customElements.define('input-range', InputRange)

What is the correct way to propagate changes from one LitElement to a child LitElement?

By : Kit Eglinton
Date : March 29 2020, 07:55 AM
may help you . Best practice is "properties down, events up"; meaning that parent elements should share data with children by binding properties to them, and child elements should share data with parents by raising an event with relevant data in the detail of the event.
I can't comment on what you're doing wrong as I can't see how you're updating the status of the files, or your implementation of the child element.
code :
this.myObj = Object.assign({}, this.myObj, {thing: 'stuff'});
import { LitElement, html} from '@polymer/lit-element';
import './child-element.js';

class ParentElement extends LitElement {
  static get properties(){
    return {
      myArray: Array
    this.myArray = [ 
      { val: 0, done: false },
      { val: 1, done: false },
      { val: 2, done: false },
      { val: 3, done: false }
    return html`
      ${myArray.map((i, index) => { 
        return html`
            on-did-thing="${(e) => this.childDidThing(index, i.val)}" 

  childDidThing(index, val){
     * Mutating a complex property (i.e changing one of its items or
     * sub-properties) does not trigger a re-render, so we must
     * request one:

     * Alternative way to update a complex property and make
     * sure lit-element observes the change is to make sure you 
     * never mutate (change sub-properties of) arrays and objects.
     * Instead, rewrite the whole property using Object.assign.
     * For an array, this could be (using ES6 object syntax):
     * this.myArray = 
     * Object.assign([], [...this.myArray], { 
     *   [index]: { val: val, done: true }
     * });
customElements.define('parent-element', ParentElement);
import { LitElement, html} from '@polymer/lit-element';

class ChildElement extends LitElement {
  static get properties(){
    return {
      val: Number,
      done: Boolean
  _render({val, done}){
    return html`
        Value: ${val} Done: ${done} 
        <button on-click="${(e) => this.didThing(e)}">do thing</button>
    var event = new CustomEvent('did-thing', { detail: { stuff: 'stuff'} });
customElements.define('child-element', ChildElement);
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