Issue with JavaScript scope that is specific to Chrome

I have defined a JavaScript function in the head section of an ASPX page:

<script type="text/javascript" >
    function bdScheduler() {
                var CanRun = '<%= ScheduleCheck() %>';
                if ('Success' == CanRun) {
                    bcal = window.open('ProjSchedBckwdCalc.aspx?po_rec=<%= lblpodate_R.Text %>', '', 'width=650px, height=750px');
                } else {
                    alert(CanRun);
                }
            }
</script>

The ScheduleCheck() function is defined in the code behind and it properly checks dependencies to determine if the page 'ProjSchedBckwdCalc.aspx' can execute its task. If the result is 'Success', a popup window is opened with a value from a label on the current page. Otherwise, an alert displays the message returned by ScheduleCheck().

I am triggering this function from the onclick event of a regular anchor tag:

<a href="#" onclick="bdScheduler();" >Backward Scheduler</a>

This code works fine for me in the latest versions of Firefox, Chrome, and IE, but some users are reporting that the button does not work. After investigating, I found out that they are all using Chrome (same version as my test machine), and the browser console shows that bdScheduler() is not recognized.

My question has two parts: Why are certain installations of Chrome handling this differently even though they are identical builds, and what changes can be made to ensure consistent behavior and proper execution of the desired function?

EDIT: Rendered code:

function bdScheduler() {
                var CanRun = 'Success';
                if ('Success' == CanRun) {
                    bcal = window.open('ProjSchedBckwdCalc.aspx?po_rec=12/23/2013', '', 'width=650px, height=750px');
                } else {
                    alert(CanRun);
                }
            }

Answer №1

Your code is flawless (http://jsfiddle.net/N3Unt/6/). I tested it on multiple devices and browsers, including Chrome on Macs and Windows 7 & 8, as well as FF / IE.

It's essential to ensure that all code is loaded properly and nothing is cached. A more modern approach for handling "onclicks" is utilizing eventhandling, which follows a decoupling pattern.

document.addEventListener('DOMContentLoaded', function() {
    var link = document.getElementById('yourOnClickLink');

    // Logic for onClick:
    link.addEventListener('click', function() {
        var CanRun = '<%= ScheduleCheck() %>';
        if ('Success' == CanRun) {
            // Caution: bcal becomes global using this code (ANTIPATTERN)
            bcal = window.open('ProjSchedBckwdCalc.aspx?po_rec=12/23/2013', '', 'width=650px, height=750px');
        } else {
            alert(CanRun);
        }        
    });
});

This method ensures proper loading of everything and allows your page to load asynchronously. Consider greying out any link associated with the eventhandler and enabling it once the DOM is fully loaded - it can be quite enjoyable :)

Similar questions

If you have not found the answer to your question or you are interested in this topic, then look at other similar questions below or use the search

Navigating through an array of objects with Node.js

Recently, I integrated the ChartJS library into my Node web app to visualize data. The following is nested in a script tag on an EJS template page: <script> let playerStatChart = new Chart(myChart, { type: 'bar', data: { la ...

Guide on developing a personalized validation system with Vuetify regulations for verifying the presence of an item

I'm currently working on my first CRUD web app using Vue 2 + Vuetify, but I've hit a roadblock while trying to add validation to a form. Specifically, I need to ensure that no item with the same title already exists in the database. You can view ...

The $resource in AngularJS encounters a problem where it sends requests to the incorrect API endpoint specifically when utilizing

Trying to tackle a tricky problem here. Currently, my app is using nodejs/expressjsand has an API configured with the URL: EDIT: Here's the code snippet in question: $scope.updateProduct = $resource('/api/updateProduct/:product/:param/:value&a ...

Unable to retrieve JSON data from converting TXT using JavaScript, resulting in undefined output

After converting txt to JSON, I encountered an issue. const txt = JSON.stringify(`{ ErrorList: [{ 80: 'Prepared' }], Reference: [ { 'Rule Name': 'Missing 3', 'Rule ID': 1, 'Rule Des& ...

The types 'X' and 'string' do not intersect

I have a situation where I am using the following type: export type AutocompleteChangeReason = | 'createOption' | 'selectOption' | 'removeOption' | 'clear' | 'blur'; But when I try to compress the cod ...

The problem emerged in an ASP.NET C# Gridview during an ascending sort where blank rows were appearing earlier than

Is there a way to manage records using textboxes within the same gridview in ASP.NET? The scenario involves 5 textboxes in each row, with a gridview displaying 20 records per page. Sorting is enabled on every column, resulting in 28 filled and 12 empty rec ...

Is there a way to make the Return key act like the Tab key in a jQuery

When the tab and enter keys are pressed, the following code exhibits different behaviors: --tab replaces the text field's value with the selected item's value and shifts focus to the next input box. --enter also changes the text field's va ...

What is the method for handling an array in Angular when all of them are successfully passed?

tasks: [ {failed: true, remarks: "",task: {'name': 'task1'}}, {failed: true, remarks: "",task: {'name': 'task2'}}, ] Is there a way to determine the overall status of all tasks based on their suc ...

"Keeping your HTML content up-to-date with AngularJS dynamic updates

I've noticed that when I upload changes to my AngularJS HTML partial files, there is a caching issue where the old data is displayed. It takes a few refresh actions before the changes become visible. Is there a way to make these changes appear immedi ...

What steps can I take to avoid keypress events causing issues with the browser's input functionality?

Utilizing Bootstrap's modal component, I have implemented an "Add User" dialog within my web application. In order to streamline the user experience and enable quick data entry, I am aiming for the escape and enter keys to close and submit the form re ...

Obtaining the NodeValue from an input of type <td>

I have a HTML code snippet that I am trying to parse in order to extract the nodeValue of all elements within the table columns. <table id="custinfo"> <tr> <td><label>First Name</label></td> <td& ...

Determining the percentage between two elements using Bootstrap 4's range slider

I've been searching everywhere but haven't found a solution. I am trying to implement Bootstrap 4.5's range slider to distribute the % difference between Client and Company, ranging from 1% to 100%. However, I am struggling with the jquery/j ...

Retrieving a JSON object using a for loop

I'm working on a basic link redirector project. Currently, I have set up an Express server in the following way: const express = require('express'); const app = express() const path = require('path'); const json = require('a ...

Java Script Custom Print Preview: A unique way to showcase your content

Is there a way to create a custom print preview dialog similar to the browser's print preview using Java Script? I am working on a book reader application that requires customization of the print preview dialog for page counting, automatic pagination, ...

How can I remove just one specific card from an array when transferring it onto another card, without deleting all of them?

I'm currently working on a project where I am mapping out an array to create cards with object properties. However, I am facing a problem where clicking on the "Not Interested" button (which acts as a delete post button) is causing all the posts to be ...

Verify modifications prior to navigating in React or Next.js

I have a simple Next JS application with two pages. -> Home page import Header from "../components/header"; const handleForm = () => { console.log("trigger"); }; export default () => ( <> <Header /> & ...

Having trouble triggering a change event within a React component?

I'm working on a straightforward react-component that consists of a form. Within this form, the user can search for other users. To ensure the form is valid, there needs to be between 3 and 6 users added. To achieve this, I've included a hidden ...

What techniques do platforms like Twitch, YouTube, Twitter, and Reddit use to dynamically load pages and update the URL without triggering a full reload?

Have you ever noticed that on some websites, when you click a link the page goes blank for a second and shows a loading indicator in your browser tab? However, on platforms like YouTube and Twitch, clicking a link smoothly transitions to the new page wit ...

Adjust Bootstrap's color scheme dynamically with JavaScript

I need to update certain bootstrap variable values using JavaScript instead of using SCSS. The specific requirement is that the changes must occur on click events, which is why I am opting for JavaScript. Although I have attempted to implement the code be ...

Guide on accessing CGI Script response using AJAX

Greetings, Here is the situation: I'm working on a login form. Once the submit button is clicked, it needs to trigger a CGI script called "someurl?userName=user&password=pwd". Depending on the response from the script, I should be able to navigat ...