From 33058f2b292b3a581333bdfb21b8f671898c5060 Mon Sep 17 00:00:00 2001
From: Peter Bengtsson <mail@peterbe.com>
Date: Tue, 8 Dec 2020 14:40:17 -0500
Subject: initial commit

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 .../errors/deprecated_string_generics/index.html   | 104 +++++++++++++++++++++
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diff --git a/files/zh-cn/web/javascript/reference/errors/deprecated_string_generics/index.html b/files/zh-cn/web/javascript/reference/errors/deprecated_string_generics/index.html
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@@ -0,0 +1,104 @@
+---
+title: 'Warning: String.x is deprecated; use String.prototype.x instead'
+slug: Web/JavaScript/Reference/Errors/Deprecated_String_generics
+tags:
+  - JavaScript
+  - 警告
+translation_of: Web/JavaScript/Reference/Errors/Deprecated_String_generics
+---
+<div>{{jsSidebar("Errors")}}</div>
+
+<h2 id="错误提示">错误提示</h2>
+
+<pre class="syntaxbox">Warning: String.charAt            is deprecated; use String.prototype.charAt            instead
+Warning: String.charCodeAt        is deprecated; use String.prototype.charCodeAt        instead
+Warning: String.concat            is deprecated; use String.prototype.concat            instead
+Warning: String.contains          is deprecated; use String.prototype.contains          instead
+Warning: String.endsWith          is deprecated; use String.prototype.endsWith          instead
+Warning: String.includes          is deprecated; use String.prototype.includes          instead
+Warning: String.indexOf           is deprecated; use String.prototype.indexOf           instead
+Warning: String.lastIndexOf       is deprecated; use String.prototype.lastIndexOf       instead
+Warning: String.localeCompare     is deprecated; use String.prototype.localeCompare     instead
+Warning: String.match             is deprecated; use String.prototype.match             instead
+Warning: String.normalize         is deprecated; use String.prototype.normalize         instead
+Warning: String.replace           is deprecated; use String.prototype.replace           instead
+Warning: String.search            is deprecated; use String.prototype.search            instead
+Warning: String.slice             is deprecated; use String.prototype.slice             instead
+Warning: String.split             is deprecated; use String.prototype.split             instead
+Warning: String.startsWith        is deprecated; use String.prototype.startsWith        instead
+Warning: String.substr            is deprecated; use String.prototype.substr            instead
+Warning: String.substring         is deprecated; use String.prototype.substring         instead
+Warning: String.toLocaleLowerCase is deprecated; use String.prototype.toLocaleLowerCase instead
+Warning: String.toLocaleUpperCase is deprecated; use String.prototype.toLocaleUpperCase instead
+Warning: String.toLowerCase       is deprecated; use String.prototype.toLowerCase       instead
+Warning: String.toUpperCase       is deprecated; use String.prototype.toUpperCase       instead
+Warning: String.trim              is deprecated; use String.prototype.trim              instead
+Warning: String.trimLeft          is deprecated; use String.prototype.trimLeft          instead
+Warning: String.trimRight         is deprecated; use String.prototype.trimRight         instead
+</pre>
+
+<h2 id="错误类型">错误类型</h2>
+
+<p>警告。JavaScript 引擎不会停止运行。</p>
+
+<h2 id="哪里出错了？">哪里出错了？</h2>
+
+<p>非标准的泛型  {{jsxref("String")}} 方法已经被废弃，将来会被移除（这些方法仅在 Firefox 浏览器中得到实现）。String 泛型在 String 对象上提供了一系列的 String 实例方法，使得这些 String 方法可以应用于任何类型的对象。</p>
+
+<p>Firefox {{bug(1222552)}} 对 String 泛型方法的移除进行了追踪。</p>
+
+<h2 id="示例">示例</h2>
+
+<h3 id="废弃的语法">废弃的语法</h3>
+
+<pre class="brush: js example-bad">var num = 15;
+String.replace(num, /5/, '2');</pre>
+
+<h3 id="标准语法">标准语法</h3>
+
+<pre class="brush: js example-good">var num = 15;
+String(num).replace(/5/, '2');
+</pre>
+
+<h2 id="垫片">垫片</h2>
+
+<p>以下是一个垫片脚本来为不支持 String 泛型方法浏览器提供支持：</p>
+
+<pre class="brush: js">/*globals define*/
+// Assumes all supplied String instance methods already present
+// (one may use shims for these if not available)
+(function() {
+  'use strict';
+
+  var i,
+    // We could also build the array of methods with the following, but the
+    //   getOwnPropertyNames() method is non-shimable:
+    // Object.getOwnPropertyNames(String).filter(function(methodName) {
+    //   return typeof String[methodName] === 'function';
+    // });
+    methods = [
+      'contains', 'substring', 'toLowerCase', 'toUpperCase', 'charAt',
+      'charCodeAt', 'indexOf', 'lastIndexOf', 'startsWith', 'endsWith',
+      'trim', 'trimLeft', 'trimRight', 'toLocaleLowerCase', 'normalize',
+      'toLocaleUpperCase', 'localeCompare', 'match', 'search', 'slice',
+      'replace', 'split', 'substr', 'concat', 'localeCompare'
+    ],
+    methodCount = methods.length,
+    assignStringGeneric = function(methodName) {
+      var method = String.prototype[methodName];
+      String[methodName] = function(arg1) {
+        return method.apply(arg1, Array.prototype.slice.call(arguments, 1));
+      };
+    };
+
+  for (i = 0; i &lt; methodCount; i++) {
+    assignStringGeneric(methods[i]);
+  }
+}());</pre>
+
+<h2 id="相关内容">相关内容</h2>
+
+<ul>
+ <li>{{jsxref("String")}}</li>
+ <li>{{jsxref("Global_Objects/Array", "Generics", "#Array_generic_methods", 1)}} 同样存在于 {{jsxref("Array")}} 的方法中（也同样被废弃了）。</li>
+</ul>
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