Challenges with displaying a scene in certain browsers using Three JS version 71

In my three.js v71 project, I am experimenting with adding a meshphong material and displaying it on the screen once material caps are added. Surprisingly, everything works perfectly when I render it on Chrome version 42.0 (Linux). However, when I attempt to run the same code on Chrome v42.0 in other operating systems, I encounter errors.

When running on Chrome: Uncaught TypeError: Cannot read property 'length' of undefined

And while testing it on Firefox Developer Edition (v39) and Firefox Stable Edition (v37), I get an error message stating:

TypeError: a.defaultAttributeValues[h] is undefined

I suspect that these errors might be due to synchronization issues within the JavaScript code, such as assigning properties to an undefined object. It's puzzling how the rendering works flawlessly on the Linux browser but encounters problems on other platforms.

javascriptthree.js

Answer №1

I managed to resolve the issue by making a slight modification to the three.js library code.

Specifically, in line 20263 of three.js (v71), I made sure to include the [key] in the if condition.

} else if ( material.defaultAttributeValues[ key ] !== undefined ) {

Similarly, in line 443 of three.min.js (v71), I added the key [h] to the if condition.

0!==a.defaultAttributeValues[h]

This adjustment successfully resolved the problem, allowing the object to render correctly in all browsers.

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