AMD (\u5f02\u6b65\u6a21\u5757\u5b9a\u4e49)-\u6d4f\u89c8\u5668
\n\u57fa\u672c\u4e0a\uff0c\u4f7f\u7528\u6a21\u5757\u7684\u65b9\u5f0f\u5f88\u7b80\u5355\uff0cimport\u7528\u4e8e\u4ece\u53e6\u4e00\u4e2a\u6587\u4ef6\u4e2d\u83b7\u53d6\u529f\u80fd\u6216\u51e0\u4e2a\u529f\u80fd\u6216\u503c\uff0c\u540c \u65f6export\u7528\u4e8e\u4ece\u6587\u4ef6\u4e2d\u516c\u5f00\u529f\u80fd\u6216\u51e0\u4e2a\u529f\u80fd\u6216\u503c\u3002
\n\u5bfc\u51fa
\n\u4f7f\u7528 ES5 (CommonJS)
\n\/\/ \u4f7f\u7528 ES5 CommonJS – helpers, js
\nexports. isNull = function (val) {
\nreturn val == null\uff1b
\n}
\nexports. isUndefined = function (val) {
\nreturn val = undefined\uff1b
\n}
\nexports. isNullOrUndefined = function (val) {
\nreturn exports. isNull(val) || exports.isUndefined(val)\uff1b }
\n\u4f7f\u7528ES6\u6a21\u5757 \u4f7f\u7528
\nES6 Modules – helpers. js
\nexport function isNull(val){
\nreturn val = null\uff1b
\n}
\nexport function isUndefined(val) {
\nreturn val = undefined\uff1b
\n}
\nexport function isNullOrUndefined(val) {
\nreturn isNull(val) || isUndefined(val)\uff1b
\n}<\/p>\n
\u5728\u53e6\u4e00\u4e2a\u6587\u4ef6\u4e2d\u5bfc\u5165\u51fd\u6570
\n\/\/ \u4f7f\u7528 ES5 (CommonJS) – index. js
\nconst helpers = require(‘. \/helpers.js’)\uff1b \/\/ helpers is an object
\nconst isNull = helpers. isNull\uff1b
\nconst isUndefined = helpers. isUndefined\uff1b
\nconst isNullOrUndef ined = helpers. isNullOrUndefined\uff1b
\n\/\/ or if your environment supports Destructuring
\nconst { isNull, isUndefined, isNullOrUndefined } = require(‘.\/helpers, js’)\uff1b
\n\/\/ ES6 Modules – index, js
\nimport * as helpers from ‘. \/helpers.js’\uff1b \/\/ helpers is an object
\n\/\/ or
\nimport { isNull, isUndefined, isNullOrUndefined as isValid } from ‘. \/helpers.js’\uff1b
\n\/\/ using "as" for renaming named exports
\n\u5728\u6587\u4ef6\u4e2d\u5bfc\u51fa\u5355\u4e2a\u529f\u80fd\u6216\u9ed8\u8ba4\u5bfc\u51fa
\n\u4f7f\u7528 ES5 (CommonJS)
\n\/\/ \u4f7f\u7528 ES5 (CommonJS) – index. js
\nclass Helpers {
\nstatic isNull(val) {
\nreturn val == null\uff1b
\n}
\nstatic isUndefined(val) {
\nreturn val == undefined\uff1b
\n}
\nstatic isNu1lOrUndefined(va1) {
\nreturn this. isNull(val) || this.isUndefined(val)\uff1b
\n)
\n}
\nmodule. exports = Helpers\uff1b
\n\u4f7f\u7528 ES6 Modules
\n\/\/ \u4f7f\u7528 ES6 Modules – helpers. js
\nclass Helpers {
\nstatic isNull(val) {
\nreturn val == null\uff1b
\n}
\nstatic isUndefined(val) {
\nreturn val = undefined\uff1b
\n}
\nstatic isNullOrUndefined(val) {
\nreturn this. isNull(val) || this.isUndefined(val)\uff1b
\n}
\n}
\nexport default Helpers
\n\u4ece\u53e6\u4e00\u4e2a\u6587\u4ef6\u5bfc\u5165\u5355\u4e2a\u529f\u80fd
\n\u4f7f\u7528 ES5 (CommonJS)
\n\/\/ \u4f7f\u7528 ES5 (CommonJS) – index. js const Helpers = require(‘. \/helpers. js’);
\nconsole. log(Helpers. isNull(null))\uff1b
\n\u4f7f\u7528 ES6 Modules
\nimport Helpers from ‘.helpers.js’ console. log(Helpers. isNull(null))\uff1b<\/p>\n","protected":false},"excerpt":{"rendered":"
AMD (\u5f02\u6b65\u6a21\u5757\u5b9a\u4e49)-\u6d4f\u89c8\u5668 \u57fa\u672c\u4e0a\uff0c\u4f7f\u7528\u6a21\u5757\u7684\u65b9\u5f0f\u5f88\u7b80\u5355\uff0cimport\u7528\u4e8e\u4ece\u53e6\u4e00\u4e2a\u6587\u4ef6\u4e2d\u83b7\u53d6\u529f\u80fd\u6216\u51e0\u4e2a\u529f […]<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[103],"tags":[],"class_list":["post-12576","post","type-post","status-publish","format-standard","hentry","category-qianduan"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/12576","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/comments?post=12576"}],"version-history":[{"count":1,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/12576\/revisions"}],"predecessor-version":[{"id":12577,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/12576\/revisions\/12577"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=12576"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=12576"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=12576"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}