---
title: "Result of getElementById is null using javascript?"
description: "Result of getElementById is null using javascript?"
author: "Anonymous User"
published: 2013-08-19
updated: 2013-08-19
canonical: https://www.mindstick.com/forum/1397/result-of-getelementbyid-is-null-using-javascript
category: "javascript"
tags: ["javascript"]
reading_time: 1 minute
---
# Result of getElementById is null using javascript?
Hi [Mindstick](https://yourviews.mindstick.com/view/84668/how-mindstick-is-used-for-marketing-purposes)!\
Down vote favorite
Just struggling with a [Javascript](https://www.mindstick.com/articles/874/how-to-create-watermark-text-for-textbox-by-using-javascript) class being used as a [method](https://www.mindstick.com/forum/166/webservice-method) for some cometishian code, how do I have a constructor for this code? The following code is invalid:
<[script](https://www.mindstick.com/interview/477/how-can-i-execute-a-php-script-using-command-line) type="text/javascript" [language](https://www.mindstick.com/startup/28/preply-the-fast-growing-platform-transforming-language-learning)="javascript">
// Gantt chart object
[function](https://www.mindstick.com/articles/13001/multi-statement-table-valued-user-defined-function-in-sql-server) ganttChart(gContainerID) {
this.isDebugMode = true;
this.gContainer = document.getElementById(gContainerID);
if (this.isDebugMode) {
this.gContainer.innerHTML += "