toDataURL is not a function
getElementsByTagName returns a NodeList, not a single element. Simply access the first element of the list: var src = can[0]. ,2017年4月18日 — toDataURL is not a function(…). My js file is called in an iframe. In the js file I create video tag and use the above canvas to get it's data. ,I was positive all my code was correct but still getting this error....because toDataUrl() with lowercase Url isn't actually a function no matter how hard one ... ,The function toDataURL exists on the canvas, not the context, so call c.toDataURL in your example. Note that you will then have to deal with ... ,Your id=map element is a div . They don't have toDataURL . canvas elements do, but not div s. Elsewhere in the question you show code ... ,You are sending ImageData as param to convertCanvasToImage . And ImageData doesn't have a toDataUrl as it contains the raw pixels. ,2020年12月18日 — toDataURL is not a function. up until document.querySelector(canvas.page) it gives me the right canvas but then the toDataURL() fails ... ,2016年4月15日 — ... 显示canvas元素所以要把canvas转换为img图片放到img元素中显示看到网上的方法是用toDataURL这个方法，但是我用就一直报is not a function错误. ,toDataURL(image/png);. When I tried running the above code on firebug it throws an error : TypeError: can.toDataURL is not a function.
| 相關軟體 Google Chrome (64-bit) 資訊 | |
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 toDataURL is not a function 相關參考資料
toDataURL not a function - Stack Overflow
getElementsByTagName returns a NodeList, not a single element. Simply access the first element of the list: var src = can[0]. https://stackoverflow.com toDataURL() not a function - Stack Overflow
2017年4月18日 — toDataURL is not a function(…). My js file is called in an iframe. In the js file I create video tag and use the above canvas to get it's data. https://stackoverflow.com Canvas.toDataURL() Uncaught TypeError: undefined is not a ...
I was positive all my code was correct but still getting this error....because toDataUrl() with lowercase Url isn't actually a function no matter how hard one ... https://stackoverflow.com JavaScript toDataURL is not a function [closed] - Stack Overflow
The function toDataURL exists on the canvas, not the context, so call c.toDataURL in your example. Note that you will then have to deal with ... https://stackoverflow.com document.getElementById(...).toDataURL is not a function
Your id=map element is a div . They don't have toDataURL . canvas elements do, but not div s. Elsewhere in the question you show code ... https://stackoverflow.com canvas.toDataURL is not a function OR Cannot read property
You are sending ImageData as param to convertCanvasToImage . And ImageData doesn't have a toDataUrl as it contains the raw pixels. https://stackoverflow.com canvas.toDataURL() returns 'is not a function' - Stack Overflow
2020年12月18日 — toDataURL is not a function. up until document.querySelector(canvas.page) it gives me the right canvas but then the toDataURL() fails ... https://stackoverflow.com canvas转换成img显示，为什么用toDataURL一直报is not a ...
2016年4月15日 — ... 显示canvas元素所以要把canvas转换为img图片放到img元素中显示看到网上的方法是用toDataURL这个方法，但是我用就一直报is not a function错误. https://segmentfault.com Question toDataURL not a function - TitanWolf
toDataURL(image/png);. When I tried running the above code on firebug it throws an error : TypeError: can.toDataURL is not a function. https://www.titanwolf.org |