{"id":5097,"date":"2020-02-21T07:16:48","date_gmt":"2020-02-21T06:16:48","guid":{"rendered":"https:\/\/pythonprogramming.altervista.org\/?p=5097"},"modified":"2020-02-21T08:18:25","modified_gmt":"2020-02-21T07:18:25","slug":"how-to-use-pythons-range-in-javascript","status":"publish","type":"post","link":"https:\/\/pythonprogramming.altervista.org\/how-to-use-pythons-range-in-javascript\/","title":{"rendered":"How to use Python&#8217;s range in Javascript"},"content":{"rendered":"<p>If you are used to pythons range, you could be disappointed not having a same way to go through for loops with it when you write javascript code. So if it happens to write javascript and you miss\u00a0<strong>range<\/strong>, here is the function that will replace it so that you can use it like you do in python:<\/p>\n<pre class=\"lang:default decode:true\">\/\/ this is a javascript emulation of range in python\r\nfunction range(start, stop, step) {\r\n    if (typeof stop == 'undefined') {\r\n        \/\/ one param defined\r\n        stop = start;\r\n        start = 0;}\r\n    if (typeof step == 'undefined') {\r\n        step = 1;}\r\n    if ((step &gt; 0 &amp;&amp; start &gt;= stop) || (step &lt; 0 &amp;&amp; start &lt;= stop)) {\r\n        return [];}\r\n    var result = [];\r\n    for (var i = start; step &gt; 0 ? i &lt; stop : i &gt; stop; i += step) {\r\n        result.push(i);}\r\n    return result;\r\n};<\/pre>\n<p>and a simple example of usage, similar to Python<\/p>\n<pre class=\"lang:default decode:true  \">for (i in range(10)) console.log(i);<\/pre>\n<p>output<\/p>\n<pre class=\"lang:default decode:true \">0 \r\n1 \r\n2 \r\n3 \r\n4\r\n5  \r\n6 \r\n7 \r\n8\r\n9<\/pre>\n<!-- se vuoi mettere un testo scorrevole\r\n[hoops name=\"typeWriterGen\"]\r\n\r\npoi metti un id diverso per ogni testo nella stessa pagina\r\n\r\n<div id=\"div01\">\r\n<script>\r\n\r\ntypeWriterGen(\"div01\",\"Esempio di testo scorrevole\");\r\n<\/script>\r\n\r\n-->\r\n<style>\r\n.avatar {\r\n  vertical-align: middle;\r\n  width: 100px;\r\n  height: 100px;\r\n  border-radius: 50%;\r\n}\r\n<\/style>\r\n\r\n<hr>\r\n\r\n<!-- NEWSLETTER LINK -->\r\n<a href=\"https:\/\/docs.google.com\/forms\/d\/e\/1FAIpQLSf7TniIPCWHDzCSGh2dYZaCwDvi9yLKS5ovFdKuK1sdfOvwEg\/viewform\">\r\n<img decoding=\"async\" src=\"https:\/\/pythonprogramming.altervista.org\/wp-content\/uploads\/2023\/08\/image-13.png\" class=\"avatar\">\r\nSubscribe to the <b>newsletter<\/b> for updates<\/a><br>\r\n\r\n<!-- TKINTER TEMPLATE LINK -->\r\n<a href=\"https:\/\/pythonprogramming.altervista.org\/tkinter-templates\/\">\r\n<img decoding=\"async\" src=\"https:\/\/i0.wp.com\/pythonprogramming.altervista.org\/wp-content\/uploads\/2023\/07\/image-26.png\" class=\"avatar\">\r\nTkinter templates<\/a><br>\r\n\r\n<!-- MY AVATAR PUT A LINK TO YOUTUBE CHANNEL-->\r\n<iframe loading=\"lazy\" frameborder=\"0\" src=\"https:\/\/itch.io\/embed\/711828\" width=\"552\" height=\"167\"><a href=\"https:\/\/pythonprogrammi.itch.io\/pysnake\">PySnake by PythonProgrammi<\/a><\/iframe>\r\n<br>\r\n<style>\r\n.avatar {\r\n  vertical-align: middle;\r\n  width: 100px;\r\n  height: 100px;\r\n  border-radius: 50%;\r\n}\r\n<\/style>\r\n\r\n\r\n<a href=\"https:\/\/www.youtube.com\/channel\/UCzbxq5e9gLiY-je2-br1rvg\">\r\n\t<img decoding=\"async\" src=\"https:\/\/pythonprogramming.altervista.org\/wp-content\/uploads\/2020\/10\/avatar64x64.png\" alt=\"Avatar\" class=\"avatar\">\r\n\t My youtube channel<\/a><br>\r\n\r\n<br>\r\n\r\nTwitter: <a href=\"https:\/\/twitter.com\/pythonprogrammi\">@pythonprogrammi - python_pygame<\/a>\r\n<h3>Claude's Games<\/h3>\r\n<p><a href=\"https:\/\/pythonprogramming.altervista.org\/random-daily-game-1-arkanoid\/\">Arkanoid<\/a><br>\r\n<a href=\"https:\/\/pythonprogramming.altervista.org\/platform-2d-with-pygame-made-with-claude\/\">Platform 2d<\/a><\/p> <!-- videogames made with claude -->\r\n<a href=\"https:\/\/pythonprogramming.altervista.org\/artifacts-games-day-1-memory-game\/\">1. Memory game<\/a>\r\n<h4>Videos<\/h4>\r\n<a href=\"https:\/\/youtu.be\/ciLjWWw5pLY\">Speech recognition game<\/a>\r\n<h3>Pygame's Platform Game<\/h3>\r\n\r\n<a href=\"https:\/\/pythonprogramming.altervista.org\/pygame-platform-game-5-sounds-and-mixer\/\"><img decoding=\"async\" src=\"https:\/\/i1.wp.com\/pythonprogramming.altervista.org\/wp-content\/uploads\/2020\/01\/climbercover.png?w=557&ssl=1\"\/ width=\"50%\"><\/a>\r\n<script>\r\nvar title = \"Platform Pygame\";\r\n\t\tvar links = [\r\n[\"https:\/\/pythonprogramming.altervista.org\/pygame-animation-of-a-sprite-v-1-3\/\",\"Animation 1.3\"],\r\n[\"https:\/\/pythonprogramming.altervista.org\/pygame-sprite-animation-v-2-better-coding-test-it-checking-fps-on-the-screen\/\",\"Animation 1.2\"],\r\n[\"https:\/\/pythonprogramming.altervista.org\/pygame-how-to-display-the-frame-rate-fps-on-the-screen\/\",\"Display Frame rate\"],\r\n[\"https:\/\/pythonprogramming.altervista.org\/pygame-sprite-animation-update\/\",\"Animation 1.1\"],\r\n[\"https:\/\/pythonprogramming.altervista.org\/pygame-platformer-1\/\",\"Pygame Platform Game 1\"],\r\n[\"https:\/\/pythonprogramming.altervista.org\/python-platform-game-2\/\",\"Pygame Platform 2\"],\r\n[\"https:\/\/pythonprogramming.altervista.org\/pygame-platform-game-3-recap-cheatsheet\/\",\"Pygame PLatform 3 - recap and some Cheat Sheet\"],\r\n[\"https:\/\/pythonprogramming.altervista.org\/pygame-platform-game-4-background-and-stuffs\/\",\"Pygame Platform 4 - Background & organizing code\"],\r\n[\"https:\/\/pythonprogramming.altervista.org\/pygame-platform-game-5-sounds-and-mixer\/\",\"Pygame Platform 5 - Sounds\"],\r\n[\"https:\/\/pythonprogramming.altervista.org\/platform-game-in-detail-part-1\/\",\"Game in detail part 1\"],\r\n[\"https:\/\/pythonprogramming.altervista.org\/map-maker-1-2\/\", \"Map maker 1.2\"]\r\n\t\t];\r\n\t\t<\/script>\r\n<script>\r\n\t\r\nif (typeof next2 != \"undefined\"){let next2 = 0;}\r\n\t\r\nnext2 = 0;\r\n\thtml = \"\";\/\/<b 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address[1]\r\n\t\thtml += \"<span style='color:gray'>\" + address[1] + \"<\/span><br>\";\r\n\t}\r\n\r\n}\r\n\r\n\thtml += `<span style=\"font-size:8px\">Powered by <a href=\"https:\/\/pythonprogramming.altervista.org\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-2673\" src=\"https:\/\/pythonprogramming.altervista.org\/wp-content\/uploads\/2019\/06\/altervista2.png\" alt=\"\" width=\"70\" height=\"25\" srcset=\"https:\/\/pythonprogramming.altervista.org\/wp-content\/uploads\/2019\/06\/altervista2.png 156w, https:\/\/pythonprogramming.altervista.org\/wp-content\/uploads\/2019\/06\/altervista2-150x56.png 150w\" sizes=\"auto, (max-width: 70px) 100vw, 70px\" \/>pythonprogramming.altervista.org<\/a><\/span>`\r\n\thtml = \"<div style='background:yellow'>\" + html + \"<\/div>\";\r\n\tdocument.write(html)\r\n<\/script>\r\n\r\n<h3>Other Pygame's posts<\/h3>\r\n\r\n<script>\r\nvar title = \"Pygame's Posts\"\r\nvar links = 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2\"],\r\n[\"https:\/\/pythonprogramming.altervista.org\/starting-with-pygame\/\",\"Starting movements with Pygame\"],\r\n[\"https:\/\/pythonprogramming.altervista.org\/pygame-3-move-sprite\/\", \"Move a Sprite\"],\r\n[\"https:\/\/pythonprogramming.altervista.org\/pygame-4-fonts\/\",\"Text and Fonts\"],\r\n[\"https:\/\/pythonprogramming.altervista.org\/pygame-animate-a-sprite\/\", \"Animate a sprite\"],\r\n[\"https:\/\/pythonprogramming.altervista.org\/pygame-and-mouse-events\/\",\"Mouse events\"],\r\n[\"https:\/\/pythonprogramming.altervista.org\/pgp-aka-pygamepresentation-project\/\",\"Pygame presentation\"],\r\n\t[\"https:\/\/pythonprogramming.altervista.org\/moving-the-player-in-pygame-with-key-get_pressed\/\",\"How to use key.get_pressed()\"]\r\n]\r\n<\/script>\r\n\r\n\r\n<script>\r\n\t\r\nif (typeof next2 != \"undefined\"){let next2 = 0;}\r\n\t\r\nnext2 = 0;\r\n\thtml = \"\";\/\/<b style='color:coral;font-size:1.2em'>Other posts about \" + title + \"<\/b><br>\";\r\nfor (address of 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+= `<span style=\"font-size:8px\">Powered by <a href=\"https:\/\/pythonprogramming.altervista.org\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-2673\" src=\"https:\/\/pythonprogramming.altervista.org\/wp-content\/uploads\/2019\/06\/altervista2.png\" alt=\"\" width=\"70\" height=\"25\" srcset=\"https:\/\/pythonprogramming.altervista.org\/wp-content\/uploads\/2019\/06\/altervista2.png 156w, https:\/\/pythonprogramming.altervista.org\/wp-content\/uploads\/2019\/06\/altervista2-150x56.png 150w\" sizes=\"auto, (max-width: 70px) 100vw, 70px\" \/>pythonprogramming.altervista.org<\/a><\/span>`\r\n\thtml = \"<div style='background:yellow'>\" + html + \"<\/div>\";\r\n\tdocument.write(html)\r\n<\/script>\n","protected":false},"excerpt":{"rendered":"Use range in javascript\n<a class=\"moretag\" href=\"https:\/\/pythonprogramming.altervista.org\/how-to-use-pythons-range-in-javascript\/\"> [...]<\/a>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_crdt_document":"","footnotes":""},"categories":[331],"tags":[233,721],"class_list":["post-5097","post","type-post","status-publish","format-standard","hentry","category-javascript","tag-javascript","tag-range"],"avopt_banners_inside_post":true,"avopt_banners_on_page":true,"av_copy_from":"","av_sharing_message":"","av_sharing_allowed":true,"av_sharing_on":{"fb":[],"tw":[]},"av_allow_affiliate_banner":false,"av_allow_affiliate_multi_banner":false,"av_show_affiliation_buy_button":false,"av_post_rating":true,"av_have_post_rating_value":false,"av_is_artificial_intelligence_content":false,"_links":{"self":[{"href":"https:\/\/pythonprogramming.altervista.org\/wp-json\/wp\/v2\/posts\/5097","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pythonprogramming.altervista.org\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/pythonprogramming.altervista.org\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/pythonprogramming.altervista.org\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/pythonprogramming.altervista.org\/wp-json\/wp\/v2\/comments?post=5097"}],"version-history":[{"count":5,"href":"https:\/\/pythonprogramming.altervista.org\/wp-json\/wp\/v2\/posts\/5097\/revisions"}],"predecessor-version":[{"id":5101,"href":"https:\/\/pythonprogramming.altervista.org\/wp-json\/wp\/v2\/posts\/5097\/revisions\/5101"}],"wp:attachment":[{"href":"https:\/\/pythonprogramming.altervista.org\/wp-json\/wp\/v2\/media?parent=5097"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/pythonprogramming.altervista.org\/wp-json\/wp\/v2\/categories?post=5097"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/pythonprogramming.altervista.org\/wp-json\/wp\/v2\/tags?post=5097"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}