{"id":18615000,"url":"https://github.com/andrewjbateman/html5-canvas","last_synced_at":"2026-04-30T13:32:58.722Z","repository":{"id":96859478,"uuid":"157691284","full_name":"AndrewJBateman/html5-canvas","owner":"AndrewJBateman","description":":clipboard: Create an html canvas app, part of Javascript30 tutorial from Wes Bos","archived":false,"fork":false,"pushed_at":"2020-08-10T18:54:40.000Z","size":715,"stargazers_count":0,"open_issues_count":0,"forks_count":0,"subscribers_count":1,"default_branch":"master","last_synced_at":"2025-05-17T01:34:29.843Z","etag":null,"topics":["canvas","css","html5","javascript","tutorial-code","video"],"latest_commit_sha":null,"homepage":"","language":"JavaScript","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":null,"status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/AndrewJBateman.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":null,"code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null,"governance":null,"roadmap":null,"authors":null,"dei":null,"publiccode":null,"codemeta":null}},"created_at":"2018-11-15T10:11:01.000Z","updated_at":"2023-04-11T15:24:30.000Z","dependencies_parsed_at":null,"dependency_job_id":"2f968008-2450-44a4-8c80-468a0f2706a9","html_url":"https://github.com/AndrewJBateman/html5-canvas","commit_stats":null,"previous_names":[],"tags_count":0,"template":false,"template_full_name":null,"purl":"pkg:github/AndrewJBateman/html5-canvas","repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/AndrewJBateman%2Fhtml5-canvas","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/AndrewJBateman%2Fhtml5-canvas/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/AndrewJBateman%2Fhtml5-canvas/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/AndrewJBateman%2Fhtml5-canvas/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/AndrewJBateman","download_url":"https://codeload.github.com/AndrewJBateman/html5-canvas/tar.gz/refs/heads/master","sbom_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/AndrewJBateman%2Fhtml5-canvas/sbom","scorecard":null,"host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":286080680,"owners_count":32466333,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2026-04-30T13:12:12.517Z","status":"ssl_error","status_checked_at":"2026-04-30T13:12:06.837Z","response_time":57,"last_error":"SSL_read: unexpected eof while reading","robots_txt_status":"success","robots_txt_updated_at":"2025-07-24T06:49:26.215Z","robots_txt_url":"https://github.com/robots.txt","online":false,"can_crawl_api":true,"host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":["canvas","css","html5","javascript","tutorial-code","video"],"created_at":"2024-11-07T03:27:47.958Z","updated_at":"2026-04-30T13:32:58.692Z","avatar_url":"https://github.com/AndrewJBateman.png","language":"JavaScript","funding_links":[],"categories":[],"sub_categories":[],"readme":"# :zap: Javascript30 Tutorial HTML5-Canvas\n\n* Wes Bos Youtube Tutorial 8/30: [Let's build something fun with HTML5 Canvas - #JavaScript30 8/30](https://www.youtube.com/watch?v=8ZGAzJ0drl0).\n\n*** Note: to open web links in a new window use: _ctrl+click on link_**\n\n## :page_facing_up: Table of contents\n\n* [General info](#general-info)\n* [Screenshots](#screenshots)\n* [Technologies](#technologies)\n* [Setup](#setup)\n* [Features](#features)\n* [Status](#status)\n* [Inspiration](#inspiration)\n* [Contact](#contact)\n\n## :books: General info\n\n* Draws coloured lines of varying width using mouse drawing events.\n\n## :camera: Screenshots\n\n![Example screenshot](./img/canvas.png).\n\n## :signal_strength: Technologies\n\n* [Javascript v1.9 ECMA-262 ECMAScript 2018](http://www.ecma-international.org/publications/standards/Ecma-262.htm)\n\n## :floppy_disk: Setup\n\n* Open index.html in browser. If any code is changed the browser needs to be refreshed.\n\n## :computer: Code Examples\n\n* Code to clear content and listen to mouse drawing events.\n\n```javascript\n/*function to clear all content inside the defined canvas rectangle*/\nclearCanvas = () =\u003e {\n    ctx.clearRect(0,0, canvas.width, canvas.height);\n}\n\ncanvas.addEventListener('mousedown', (e) =\u003e {  \n  isDrawing = true;\n  [lastX, lastY] = [e.offsetX, e.offsetY];\n});\n\ncanvas.addEventListener('mousemove', draw);\ncanvas.addEventListener('mouseup', () =\u003e isDrawing = false);\ncanvas.addEventListener('mouseout', () =\u003e isDrawing = false);\n```\n\n## :cool: Features\n\n* Function to clear canvas using HTML bootstrap button.\n\n## :clipboard: Status \u0026 To-Do List\n\n* Status: Working. Updated to work from browser, not from Glitch.\n* To-Do: clear error; `index.html:16 Uncaught TypeError: Cannot set property 'innerHTML' of null\n    at HTMLButtonElement.onclick (index.html:16)`\n\n## :clap: Inspiration\n\n* Wes Bos Youtube Tutorial 8/30: [Let's build something fun with HTML5 Canvas - #JavaScript30 8/30](https://www.youtube.com/watch?v=8ZGAzJ0drl0)\n\n## :envelope: Contact\n\n* Repo created by [ABateman](https://www.andrewbateman.org) - you are welcome to [send me a message](https://andrewbateman.org/contact)\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fandrewjbateman%2Fhtml5-canvas","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fandrewjbateman%2Fhtml5-canvas","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fandrewjbateman%2Fhtml5-canvas/lists"}