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| <!doctype html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <title>Leak</title> | |
| </head> | |
| <body> | |
| <button id="allocate">Allocate</button> | |
| <button id="release">Release</button> | |
| <script> | |
| const allocate = document.getElementById("allocate"); | |
| const release = document.getElementById("release"); | |
| let strings = []; | |
| let interval; | |
| randomInteger = (min, max) => { | |
| // Min is inclusive, max is exclusive. | |
| min = Math.ceil(min); | |
| max = Math.floor(max); | |
| return Math.floor(Math.random() * (max - min)) + min; | |
| } | |
| storeString = (size) => { | |
| const s = new Array(size).join('s') | |
| strings.push(s); | |
| } | |
| leak = () => { | |
| // Allocate 1-3 MB. | |
| const size = randomInteger(1e6, 3e6); | |
| storeString(size); | |
| } | |
| allocate.onclick = () => { | |
| interval = setInterval(leak, 500); | |
| }; | |
| release.onclick = () => { | |
| clearInterval(interval); | |
| strings = []; | |
| }; | |
| </script> | |
| </body> | |
| </html> |
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