script-async.json 4.8 KB

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  1. {
  2. "title":"async attribute for external scripts",
  3. "description":"The boolean async attribute on script elements allows the external JavaScript file to run when it's available, without delaying page load first.",
  4. "spec":"https://html.spec.whatwg.org/multipage/scripting.html#attr-script-async",
  5. "status":"ls",
  6. "links":[
  7. {
  8. "url":"https://developer.mozilla.org/en/HTML/Element/script#Attributes",
  9. "title":"MDN article"
  10. },
  11. {
  12. "url":"http://ie.microsoft.com/testdrive/Performance/AsyncScripts/Default.html",
  13. "title":"Demo"
  14. },
  15. {
  16. "url":"https://raw.github.com/phiggins42/has.js/master/detect/script.js#script-async",
  17. "title":"has.js test"
  18. }
  19. ],
  20. "bugs":[
  21. ],
  22. "categories":[
  23. "DOM",
  24. "HTML5"
  25. ],
  26. "stats":{
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  36. "edge":{
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  39. "14":"y",
  40. "15":"y"
  41. },
  42. "firefox":{
  43. "2":"n",
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  76. "33":"y",
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  79. "36":"y",
  80. "37":"y",
  81. "38":"y",
  82. "39":"y",
  83. "40":"y",
  84. "41":"y",
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  91. "48":"y",
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  93. "50":"y",
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  95. "52":"y",
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  97. },
  98. "chrome":{
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  154. },
  155. "safari":{
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  157. "3.2":"n",
  158. "4":"n",
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  213. },
  214. "ios_saf":{
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  227. "op_mini":{
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  230. "android":{
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  232. "2.2":"n",
  233. "2.3":"n",
  234. "3":"y",
  235. "4":"y",
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  237. "4.2-4.3":"y",
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  239. "4.4.3-4.4.4":"y",
  240. "53":"y"
  241. },
  242. "bb":{
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  245. },
  246. "op_mob":{
  247. "10":"n",
  248. "11":"n",
  249. "11.1":"n",
  250. "11.5":"n",
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  255. "and_chr":{
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  267. },
  268. "samsung":{
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  270. }
  271. },
  272. "notes":"",
  273. "notes_by_num":{
  274. "1":"Using script.async = false; to maintain execution order for dynamically-added scripts isn't supported in Safari 5.0"
  275. },
  276. "usage_perc_y":92.79,
  277. "usage_perc_a":0.04,
  278. "ucprefix":false,
  279. "parent":"",
  280. "keywords":"",
  281. "ie_id":"",
  282. "chrome_id":"",
  283. "firefox_id":"",
  284. "webkit_id":"",
  285. "shown":true
  286. }