{"id":365,"date":"2020-07-27T09:06:39","date_gmt":"2020-07-27T00:06:39","guid":{"rendered":"https:\/\/blog.wsd.sh\/?p=365"},"modified":"2020-07-27T09:06:39","modified_gmt":"2020-07-27T00:06:39","slug":"15-16-javascript-%e5%a4%89%e6%9b%b4","status":"publish","type":"post","link":"https:\/\/blog.wsd.sh\/?p=365","title":{"rendered":"15->16 JavaScript \u5909\u66f4"},"content":{"rendered":"<p>clear\u3092\u30d5\u30a1\u30f3\u30af\u30b7\u30e7\u30f3\u306b\u3057\u3066root\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u79fb\u52d5<\/p>\n<p>1.1 \/\/ main.js<br \/>\nbrfore:<\/p>\n<pre>\r\n                clear : function (){\r\n                        root.ctx.clearRect(0, 0, root.cnvWidth, root.cnvHeight);\r\n                        root.setBgColor(root.bgColor);\r\n                },\r\n<\/pre>\n<p>after:<\/p>\n<pre>\r\n                clear : function (){\r\n                        root.clear();\r\n                        root.setBgColor(root.bgColor);\r\n                },\r\n<\/pre>\n<p>1.2 \/\/ canvas.js<br \/>\nbrfore:<\/p>\n<pre>\r\n\u7121\u3057\r\n<\/pre>\n<p>after:<\/p>\n<pre>\r\n        this.clear = () => {\r\n                this.ctx.clearRect(0, 0, this.cnvWidth, this.cnvHeight);\r\n        }\r\n<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>clear\u3092\u30d5\u30a1\u30f3\u30af\u30b7\u30e7\u30f3\u306b\u3057\u3066root\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u79fb\u52d5 1.1 \/\/ main.js brfore: clear : function (){ root.ctx.clearRect(0, 0, root.cnvWid&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_mi_skip_tracking":false},"categories":[1],"tags":[],"_links":{"self":[{"href":"https:\/\/blog.wsd.sh\/index.php?rest_route=\/wp\/v2\/posts\/365"}],"collection":[{"href":"https:\/\/blog.wsd.sh\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.wsd.sh\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.wsd.sh\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.wsd.sh\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=365"}],"version-history":[{"count":1,"href":"https:\/\/blog.wsd.sh\/index.php?rest_route=\/wp\/v2\/posts\/365\/revisions"}],"predecessor-version":[{"id":366,"href":"https:\/\/blog.wsd.sh\/index.php?rest_route=\/wp\/v2\/posts\/365\/revisions\/366"}],"wp:attachment":[{"href":"https:\/\/blog.wsd.sh\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=365"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.wsd.sh\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=365"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.wsd.sh\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=365"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}