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Tag: javascript

Adding an opacity slider to an Openlayers map

It is straightforward to add an opacity slider for a raster layer using this line of code: But this is untidy as the slider is located above the map. How can I insert a slider (horizontal or vertical) onto the map to control the opacity of the layer so that it looks similar to the other map controls? Is there

HTMLImageElement not valid as a React Child

I’m trying to load an image asynchronously and only when it’s been loaded, display it in a React app. I’m getting below error: Objects are not valid as a React child (found: [object HTMLImageElement]) I would like to know why this error is happening. Of course if I just add an <img> ta…

How to scrape

so I am trying to figure out how I can possible scrape a javascript tag using regex which I believe might be the easiest way. The tag looks like: and I want to scrape all Label Whaht I tried to do is: but it only returned an empty value of [] so I am here asking what can I do