diff options
Diffstat (limited to 'files/zh-cn/web/javascript/reference/global_objects/symbol/search/index.html')
-rw-r--r-- | files/zh-cn/web/javascript/reference/global_objects/symbol/search/index.html | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/files/zh-cn/web/javascript/reference/global_objects/symbol/search/index.html b/files/zh-cn/web/javascript/reference/global_objects/symbol/search/index.html new file mode 100644 index 0000000000..c1efdd302e --- /dev/null +++ b/files/zh-cn/web/javascript/reference/global_objects/symbol/search/index.html @@ -0,0 +1,113 @@ +--- +title: Symbol.search +slug: Web/JavaScript/Reference/Global_Objects/Symbol/search +translation_of: Web/JavaScript/Reference/Global_Objects/Symbol/search +--- +<div>{{JSRef}}</div> + +<div></div> + +<p><code>Symbol.search 指定了一个搜索方法,这个方法接受用户输入的正则表达式,返回该正则表达式在字符串中匹配到的下标,这个方法由以下的方法来调用 </code>{{jsxref("String.prototype.search()")}}。</p> + +<p>更多信息请参见 {{jsxref("RegExp.@@search", "RegExp.prototype[@@search]()")}} 和{{jsxref("String.prototype.search()")}}.</p> + +<div>{{js_property_attributes(0,0,0)}}</div> + +<h2 id="案例">案例</h2> + +<h3 id="自定义字符串搜索">自定义字符串搜索</h3> + +<pre class="notranslate">class caseInsensitiveSearch { + constructor(value) { + this.value = value.toLowerCase(); + } + [Symbol.search](string) { + return string.toLowerCase().indexOf(this.value); + } +} + +console.log('foobar'.search(new caseInsensitiveSearch('BaR'))); +// expected output: 3</pre> + +<h2 id="规范">规范</h2> + +<table class="standard-table"> + <tbody> + <tr> + <th scope="col">Specification</th> + <th scope="col">Status</th> + <th scope="col">Comment</th> + </tr> + <tr> + <td>{{SpecName('ES2015', '#sec-symbol.search', 'Symbol.search')}}</td> + <td>{{Spec2('ES2015')}}</td> + <td>规范中定义的几个部分</td> + </tr> + <tr> + <td>{{SpecName('ESDraft', '#sec-symbol.search', 'Symbol.search')}}</td> + <td>{{Spec2('ESDraft')}}</td> + <td></td> + </tr> + </tbody> +</table> + +<h2 id="浏览器兼容性">浏览器兼容性</h2> + +<p>{{CompatibilityTable}}</p> + +<div id="compat-desktop"> +<table class="compat-table"> + <tbody> + <tr> + <th>Feature</th> + <th>Chrome</th> + <th>Firefox (Gecko)</th> + <th>Internet Explorer</th> + <th>Opera</th> + <th>Safari</th> + </tr> + <tr> + <td>基本支持</td> + <td>{{CompatChrome(50)}}</td> + <td>{{ CompatGeckoDesktop(49) }}</td> + <td>{{CompatNo}}</td> + <td>{{CompatNo}}</td> + <td>{{CompatNo}}</td> + </tr> + </tbody> +</table> +</div> + +<div id="compat-mobile"> +<table class="compat-table"> + <tbody> + <tr> + <th>Feature</th> + <th>Android</th> + <th>Chrome for Android</th> + <th>Firefox Mobile (Gecko)</th> + <th>IE Mobile</th> + <th>Opera Mobile</th> + <th>Safari Mobile</th> + </tr> + <tr> + <td>基本支持</td> + <td>{{CompatNo}}</td> + <td>{{CompatNo}}</td> + <td>{{ CompatGeckoMobile(49) }}</td> + <td>{{CompatNo}}</td> + <td>{{CompatNo}}</td> + <td>{{CompatNo}}</td> + </tr> + </tbody> +</table> +</div> + +<h2 id="参见">参见</h2> + +<ul> + <li>{{jsxref("Symbol.match")}}</li> + <li>{{jsxref("Symbol.replace")}}</li> + <li>{{jsxref("Symbol.split")}}</li> + <li>{{jsxref("RegExp.@@search", "RegExp.prototype[@@search]()")}}</li> +</ul> |