Result of getElementById is null using javascript?

Anonymous User 2336 19 Aug 2013

Hi Mindstick!

Down vote favorite

Just struggling with a Javascript class being used as a method for some cometishian code, how do I have a constructor for this code? The following code is invalid:

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">

<html>

<head>

// Gantt chart object

function ganttChart(gContainerID) {

this.isDebugMode = true;

this.gContainer = document.getElementById(gContainerID);

if (this.isDebugMode) {

this.gContainer.innerHTML += "<div id=\"gDebug\">5,5 | 5.1</div>";

}

var myChart = new ganttChart("chart1");

</script>

</head>

</html>

<body>

</body>

</html>

thanks in advance

Ask by Anonymous User

Updated 19 Aug 2013

1 Answers

shreesh chandra shukla 19 Aug 2013

Hi!

<script type="text/javascript">
var prevOnload = window.onload || function () {};
window.onload = function () {
prevOnload();
// do your stuff here
};
</script>

Also, untill all images are fully loaded onload will not trigger, consider using jquery & $(document).ready or similar.

Markdown for AI

A clean, structured version of this page for AI assistants and LLMs.

Open .md

forum

Result of getElementById is null using javascript?

Can you answer this question?

1 Answers