How to prevent React from posting back when submit button is pressed

How to prevent React from posting back when submit button is pressed

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How to prevent React from posting back when submit button is pressed
Tag : javascript , By : James Dio
Date : November 29 2020, 12:01 PM

it fixes the issue In a react component how to prevent it from posting back, so the page will not reload when submit button is pressed. , try adding one line to your code...
 onSubmit = (e: any) => {
    const campaign: Campaign = {
      title: this.state.campaign.title,

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How to prevent submit button being pressed twice

Tag : jquery , By : Liviu Aileni
Date : March 29 2020, 07:55 AM
I wish this help you I am trying to prevent the users of a system to not press the “Submit” button twice within Oracle ApEx but am unsure how to target the following code using jQuery, i.e.: , Here's an example how to do this with jQuery:
<a id="mySubmit" href="#">
<img border="0" alt="Submit Request" src="submit_btn.gif">
$("#mySubmit").click(function(event) {
    // do other stuff here
<img id="mySubmit" border="0" alt="Submit Request" src="submit_btn.gif">

$("#mySubmit").click(function(event) {
    // do other stuff here

React-Native: Go back on android hardware back button pressed

Tag : android , By : Trevor Cortez
Date : March 29 2020, 07:55 AM
it fixes the issue I am trying to add going back on webview when the android backbutton was pressed and I still couldn't manage to make it work.
class MyComponent extends Component {
    state = {};
         BackHandler.addEventListener('hardwareBackPress', this.backHandler);
         BackHandler.removeEventListener('hardwareBackPress', this.backHandler);
    backHandler = () => {
        if(this.state.backButtonEnabled) {
            return true;

How to prevent form posting in <input type=submit> on click using React

Tag : javascript , By : user121501
Date : March 29 2020, 07:55 AM
hope this fix your issue You can use e.preventDefault(). You can change your input element as:
validateForm = e => {
    // your code here
validateForm = function(e) {
    console.log('Hello world');

Prevent going back when hardware back button is pressed in Ionic 4 App

Tag : javascript , By : user124112
Date : March 29 2020, 07:55 AM
To fix the issue you can do Finally i solved the issue.As the event emitted from the backButton is an promise.If I dont need to go back,i just reject that promise.
    this.platform.backButton.subscribe(()=> {
         const alert = await this.alertController.create({
         header: 'Confirm!',
         message: 'Do you want to go back!!!',
         buttons: [
            text: 'Yes',
            handler: () => {
            // Previous page loaded
         }, {
            text: 'No',
            handler: () => {

React native router flux - How to access back pressed from navigation bar (not hardware back button) in android?

Tag : android , By : Puneet Madaan
Date : March 29 2020, 07:55 AM
I hope this helps you . First of all, I'm very new to react native. I have used react native router flux for navigation in my project. , Register your scene as:
componentDidMount() {
               'onRight': this.showNotifications,
               'onLeft': this.showSearch,
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