I hereby claim:
- I am valtusovs on github.
- I am valtusovs (https://keybase.io/valtusovs) on keybase.
- I have a public key ASAbYXHH2I1tHvR7S1xuPXiHfmzgrN1i6k8mpbI8UKsquwo
To claim this, I am signing this object:
valtusovs
valtusovs
/ jstricks_tab_w_title_bookmarklet.js
Created
August 22, 2023 15:38
Create tab data URL with defined text as title, to be used as bookmarklet
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| let t = prompt("Title?"); | |
| let r = `data:text/html, <!DOCTYPE html><html><head><meta charset='utf-8'><style>h1{text-align:center;}</style><title>${t}</title></head><body><h1>${t}</h1></body></html>`; | |
| alert(r); |
valtusovs
/ jstricks_copy_video_frame.js
Created
August 22, 2023 15:36
Copies frame from video in current tab, check that only one video object is present. Click on the button and open the copied URL in new tab.
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| // based on https://stackoverflow.com/questions/13760805/how-to-take-a-snapshot-of-html5-javascript-based-video-player | |
| var canvas = document.createElement('canvas'); | |
| canvas.width = 1920; | |
| canvas.height = 1080; | |
| var ctx = canvas.getContext('2d'); | |
| ctx.drawImage(document.getElementsByTagName("video")[0], 0, 0, canvas.width, canvas.height); | |
| var dataURI = canvas.toDataURL('image/jpeg'); // can also use 'image/png' |