{"id":343,"date":"2020-07-25T10:41:48","date_gmt":"2020-07-25T01:41:48","guid":{"rendered":"https:\/\/blog.wsd.sh\/?p=343"},"modified":"2020-07-25T10:41:48","modified_gmt":"2020-07-25T01:41:48","slug":"06-07-javascript-%e5%a4%89%e6%9b%b4","status":"publish","type":"post","link":"https:\/\/blog.wsd.sh\/?p=343","title":{"rendered":"06->07 JavaScript \u5909\u66f4"},"content":{"rendered":"<p>1. canvas.js<br \/>\n1.1 globalThis.clickFlg\u306e\u9664\u53bb<br \/>\nbefore:<\/p>\n<pre>\r\n     globalThis.clickFlg = 0;  \/\/ \u30af\u30ea\u30c3\u30af\u4e2d\u306e\u5224\u5b9a 1:\u30af\u30ea\u30c3\u30af\u958b\u59cb 2:\u30af\u30ea\u30c3\u30af\u4e2d\r\n<\/pre>\n<p>after:<\/p>\n<pre>\r\n \u7121\u3057\r\n<\/pre>\n<p>1.2<br \/>\nbefore:<\/p>\n<pre>\r\n               globalThis.clickFlg = 1; \/\/ \u30de\u30a6\u30b9\u62bc\u4e0b\u958b\u59cb\r\n<\/pre>\n<p>after:<\/p>\n<pre>\r\n               \/\/ \u30de\u30a6\u30b9\u62bc\u4e0b\u958b\u59cb\r\n<\/pre>\n<p>1.3<br \/>\nbefore:<\/p>\n<pre>\r\n               globalThis.clickFlg = 0; \/\/ \u30de\u30a6\u30b9\u62bc\u4e0b\u7d42\u4e86\r\n<\/pre>\n<p>after:<\/p>\n<pre>\r\n               \/\/ \u30de\u30a6\u30b9\u62bc\u4e0b\u7d42\u4e86\r\n<\/pre>\n<p>1.4<br \/>\nbefore:<\/p>\n<pre>\r\n               \/\/ \u521d\u56de\u51e6\u7406\u306e\u5224\u5b9a\r\n               if (globalThis.clickFlg == \"1\") {\r\n                       globalThis.clickFlg = \"2\";\r\n                       this.ctx.beginPath();\r\n                       this.ctx.lineCap = \"round\";  \/\/\u3000\u7dda\u3092\u89d2\u4e38\u306b\u3059\u308b\r\n                       this.ctx.moveTo(x, y);\r\n                       console.log(\"globalThis.clickFlg = \"+globalThis.clickFlg);\r\n               }\r\n<\/pre>\n<p>after:<\/p>\n<pre>\r\n               \/\/ \u521d\u56de\u51e6\u7406\r\n               globalThis.clickFlg = \"2\";\r\n               this.ctx.beginPath();\r\n               this.ctx.lineCap = \"round\";  \/\/\u3000\u7dda\u3092\u89d2\u4e38\u306b\u3059\u308b\r\n               this.ctx.moveTo(x, y);\r\n<\/pre>\n<p>1.5<br \/>\nbefore:<\/p>\n<pre>\r\n               \/\/ \u521d\u56de\u51e6\u7406\u306e\u5224\u5b9a\r\n               if (globalThis.clickFlg != \"1\") {\r\n                       this.ctx.lineTo(x, y);\r\n                       console.log(\"globalThis.clickFlg = \"+globalThis.clickFlg);\r\n               }\r\n<\/pre>\n<p>after:<\/p>\n<pre>\r\n               \/\/ \u521d\u56de\u4ee5\u964d\u51e6\u7406\r\n               this.ctx.lineTo(x, y);\r\n<\/pre>\n<p>1.6<br \/>\nbefore:<\/p>\n<pre>\r\n               \/\/ \u521d\u56de\u51e6\u7406\u306e\u5224\u5b9a\r\n               if (globalThis.clickFlg != \"1\") {\r\n                       this.ctx.lineTo(x, y);\r\n                       console.log(\"globalThis.clickFlg = \"+globalThis.clickFlg);\r\n               }\r\n<\/pre>\n<p>after:<\/p>\n<pre>\r\n               this.ctx.lineTo(x, y);\r\n\r\n<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>1. canvas.js 1.1 globalThis.clickFlg\u306e\u9664\u53bb before: globalThis.clickFlg = 0; \/\/ \u30af\u30ea\u30c3\u30af\u4e2d\u306e\u5224\u5b9a 1:\u30af\u30ea\u30c3\u30af\u958b\u59cb 2:\u30af\u30ea\u30c3\u30af\u4e2d after: \u7121&#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\/343"}],"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=343"}],"version-history":[{"count":1,"href":"https:\/\/blog.wsd.sh\/index.php?rest_route=\/wp\/v2\/posts\/343\/revisions"}],"predecessor-version":[{"id":344,"href":"https:\/\/blog.wsd.sh\/index.php?rest_route=\/wp\/v2\/posts\/343\/revisions\/344"}],"wp:attachment":[{"href":"https:\/\/blog.wsd.sh\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=343"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.wsd.sh\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=343"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.wsd.sh\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=343"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}