Create pattern in javascript to implement in gojs

@rahimhaji wrote:

Dear friends,

I want to create a pattern like below:

https://www.ultraplay.com/products/freestanding/trike-hazard-barrier-sign

using the below document
https://gojs.net/latest/intro/brush.html#PatternBrushes
(Pattern Brushes)
I wrote the code like below:

function makePattern() {
var patternCanvas = document.createElement(‘canvas’);
patternCanvas.width = 50;
patternCanvas.height = 100;
var pctx = patternCanvas.getContext(‘2d’);

pctx.fillStyle = “yellow”;
pctx.moveTo(20,90);
pctx.lineTo(40,90);
pctx.lineTo(20,0);
pctx.lineTo(0,0);
pctx.fill();
return patternCanvas;
}

it did not come well pls correct me to create exactly same like above hazard symbol.

Thanks and Regards,
Syed Abdul Rahim

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