{"id":2141,"date":"2025-03-01T00:12:15","date_gmt":"2025-02-28T16:12:15","guid":{"rendered":"https:\/\/www.laixuexila.com\/?p=2141"},"modified":"2025-03-01T00:12:15","modified_gmt":"2025-02-28T16:12:15","slug":"javascript-window-%e6%b5%8f%e8%a7%88%e5%99%a8%e5%af%b9%e8%b1%a1%e6%a8%a1%e5%9e%8b%ef%bc%88bom%ef%bc%89","status":"publish","type":"post","link":"https:\/\/www.laixuexila.com\/index.php\/2025\/03\/01\/javascript-window-%e6%b5%8f%e8%a7%88%e5%99%a8%e5%af%b9%e8%b1%a1%e6%a8%a1%e5%9e%8b%ef%bc%88bom%ef%bc%89\/","title":{"rendered":"JavaScript Window – \u6d4f\u89c8\u5668\u5bf9\u8c61\u6a21\u578b\uff08BOM\uff09"},"content":{"rendered":"\n

\u5728 JavaScript \u4e2d\uff0cWindow<\/code> \u5bf9\u8c61\u662f\u6d4f\u89c8\u5668\u7684\u6838\u5fc3\u5bf9\u8c61\u4e4b\u4e00\uff0c\u5b83\u4ee3\u8868\u4e86\u6d4f\u89c8\u5668\u7a97\u53e3\uff0c\u5e76\u63d0\u4f9b\u4e86\u4e0e\u6d4f\u89c8\u5668\u7a97\u53e3\u4ea4\u4e92\u7684\u80fd\u529b\u3002Window<\/code> \u5bf9\u8c61\u662f\u6d4f\u89c8\u5668\u5bf9\u8c61\u6a21\u578b\uff08BOM\uff0cBrowser Object Model\uff09\u7684\u6838\u5fc3\u3002\u901a\u8fc7 Window<\/code> \u5bf9\u8c61\uff0c\u5f00\u53d1\u8005\u53ef\u4ee5\u8bbf\u95ee\u548c\u64cd\u4f5c\u6d4f\u89c8\u5668\u7684\u5404\u4e2a\u90e8\u5206\uff0c\u5982\u7a97\u53e3\u7684\u5927\u5c0f\u3001\u4f4d\u7f6e\u3001\u6253\u5f00\u65b0\u7a97\u53e3\u3001\u5904\u7406\u7528\u6237\u8f93\u5165\u7b49\u3002<\/p>\n\n\n\n

1. Window \u5bf9\u8c61<\/strong><\/h3>\n\n\n\n

Window<\/code> \u5bf9\u8c61\u662f\u6d4f\u89c8\u5668\u73af\u5883\u4e0b\u6240\u6709 JavaScript \u4ee3\u7801\u7684\u9876\u5c42\u5bf9\u8c61\u3002\u5728\u6d4f\u89c8\u5668\u73af\u5883\u4e2d\uff0cWindow<\/code> \u5bf9\u8c61\u4e0d\u4ec5\u4ee3\u8868\u6d4f\u89c8\u5668\u7a97\u53e3\u672c\u8eab\uff0c\u8fd8\u63d0\u4f9b\u4e86\u8bb8\u591a\u6709\u7528\u7684\u5c5e\u6027\u548c\u65b9\u6cd5\u3002<\/p>\n\n\n\n

console.log(window);  \/\/ \u6253\u5370\u5f53\u524d\u7a97\u53e3\u7684 Window \u5bf9\u8c61<\/code><\/pre>\n\n\n\n
2. Window \u5bf9\u8c61\u7684\u5e38\u7528\u5c5e\u6027<\/strong><\/h3>\n\n\n\n
    \n
  • window.document<\/code><\/strong>\uff1a\u4ee3\u8868\u6d4f\u89c8\u5668\u7684\u6587\u6863\u5bf9\u8c61\uff0c\u53ef\u4ee5\u901a\u8fc7\u5b83\u64cd\u4f5c\u7f51\u9875\u7684\u5185\u5bb9\u3002<\/li>\n<\/ul>\n\n\n\n
      console.log(window.document.title);  \/\/ \u83b7\u53d6\u7f51\u9875\u7684\u6807\u9898<\/code><\/pre>\n\n\n\n
      \n
    • window.location<\/code><\/strong>\uff1a\u8868\u793a\u6d4f\u89c8\u5668\u7684\u5730\u5740\u680f\uff0c\u5305\u542b\u5f53\u524d\u9875\u9762\u7684 URL\u3002\u5b83\u53ef\u4ee5\u7528\u6765\u83b7\u53d6\u548c\u8bbe\u7f6e\u5f53\u524d\u9875\u9762\u7684\u5730\u5740\u3002<\/li>\n<\/ul>\n\n\n\n
        console.log(window.location.href);  \/\/ \u83b7\u53d6\u5f53\u524d\u9875\u9762\u7684 URL\n  window.location.href = 'https:\/\/www.example.com';  \/\/ \u8df3\u8f6c\u5230\u65b0\u9875\u9762<\/code><\/pre>\n\n\n\n
        \n
      • window.innerWidth<\/code> \u548c window.innerHeight<\/code><\/strong>\uff1a\u8fd4\u56de\u6d4f\u89c8\u5668\u7a97\u53e3\u7684\u5185\u90e8\u5bbd\u5ea6\u548c\u9ad8\u5ea6\uff08\u4e0d\u5305\u62ec\u5de5\u5177\u680f\u548c\u6eda\u52a8\u6761\uff09\u3002<\/li>\n<\/ul>\n\n\n\n
          console.log(window.innerWidth);  \/\/ \u83b7\u53d6\u7a97\u53e3\u7684\u5bbd\u5ea6\n  console.log(window.innerHeight);  \/\/ \u83b7\u53d6\u7a97\u53e3\u7684\u9ad8\u5ea6<\/code><\/pre>\n\n\n\n
          \n
        • window.outerWidth<\/code> \u548c window.outerHeight<\/code><\/strong>\uff1a\u8fd4\u56de\u6d4f\u89c8\u5668\u7a97\u53e3\u7684\u5916\u90e8\u5bbd\u5ea6\u548c\u9ad8\u5ea6\uff08\u5305\u62ec\u5de5\u5177\u680f\u548c\u6eda\u52a8\u6761\uff09\u3002<\/li>\n<\/ul>\n\n\n\n
            console.log(window.outerWidth);  \/\/ \u83b7\u53d6\u6d4f\u89c8\u5668\u7a97\u53e3\u7684\u5916\u90e8\u5bbd\u5ea6\n  console.log(window.outerHeight);  \/\/ \u83b7\u53d6\u6d4f\u89c8\u5668\u7a97\u53e3\u7684\u5916\u90e8\u9ad8\u5ea6<\/code><\/pre>\n\n\n\n
            \n
          • window.localStorage<\/code> \u548c window.sessionStorage<\/code><\/strong>\uff1a\u7528\u4e8e\u5728\u6d4f\u89c8\u5668\u4e2d\u5b58\u50a8\u6570\u636e\u3002localStorage<\/code> \u5b58\u50a8\u7684\u6570\u636e\u5728\u6d4f\u89c8\u5668\u5173\u95ed\u540e\u4f9d\u7136\u5b58\u5728\uff0c\u800c sessionStorage<\/code> \u5b58\u50a8\u7684\u6570\u636e\u53ea\u5728\u5f53\u524d\u4f1a\u8bdd\u4e2d\u6709\u6548\u3002<\/li>\n<\/ul>\n\n\n\n
              window.localStorage.setItem('name', 'John');\n  console.log(window.localStorage.getItem('name'));  \/\/ \u8f93\u51fa\uff1aJohn<\/code><\/pre>\n\n\n\n
            3. Window \u5bf9\u8c61\u7684\u5e38\u7528\u65b9\u6cd5<\/strong><\/h3>\n\n\n\n
              \n
            • window.alert()<\/code><\/strong>\uff1a\u5f39\u51fa\u4e00\u4e2a\u8b66\u544a\u6846\uff0c\u663e\u793a\u6307\u5b9a\u7684\u6d88\u606f\u3002<\/li>\n<\/ul>\n\n\n\n
                window.alert('This is an alert!');<\/code><\/pre>\n\n\n\n
                \n
              • window.confirm()<\/code><\/strong>\uff1a\u5f39\u51fa\u4e00\u4e2a\u786e\u8ba4\u6846\uff0c\u8be2\u95ee\u7528\u6237\u662f\u5426\u786e\u8ba4\u3002\u8fd4\u56de\u503c\u662f\u5e03\u5c14\u503c\uff08true<\/code> \u6216 false<\/code>\uff09\u3002<\/li>\n<\/ul>\n\n\n\n
                  let result = window.confirm('Do you want to proceed?');\n  console.log(result);  \/\/ \u5982\u679c\u7528\u6237\u70b9\u51fb\u201c\u786e\u5b9a\u201d\uff0c\u8f93\u51fa true\uff1b\u5982\u679c\u70b9\u51fb\u201c\u53d6\u6d88\u201d\uff0c\u8f93\u51fa false\u3002<\/code><\/pre>\n\n\n\n
                  \n
                • window.prompt()<\/code><\/strong>\uff1a\u5f39\u51fa\u4e00\u4e2a\u63d0\u793a\u6846\uff0c\u8981\u6c42\u7528\u6237\u8f93\u5165\u4e00\u4e2a\u503c\u3002<\/li>\n<\/ul>\n\n\n\n
                    let userName = window.prompt('Please enter your name:');\n  console.log(userName);  \/\/ \u8f93\u51fa\u7528\u6237\u8f93\u5165\u7684\u540d\u5b57<\/code><\/pre>\n\n\n\n
                    \n
                  • window.open()<\/code><\/strong>\uff1a\u6253\u5f00\u4e00\u4e2a\u65b0\u7684\u6d4f\u89c8\u5668\u7a97\u53e3\u3002<\/li>\n<\/ul>\n\n\n\n
                      let newWindow = window.open('https:\/\/www.example.com', '_blank');<\/code><\/pre>\n\n\n\n
                      \n
                    • window.close()<\/code><\/strong>\uff1a\u5173\u95ed\u5f53\u524d\u7684\u6d4f\u89c8\u5668\u7a97\u53e3\u3002\u8fd9\u4e2a\u65b9\u6cd5\u53ea\u5728\u901a\u8fc7 window.open()<\/code> \u6253\u5f00\u7684\u7a97\u53e3\u6709\u6548\uff0c\u65e0\u6cd5\u5173\u95ed\u7528\u6237\u81ea\u5df1\u6253\u5f00\u7684\u7a97\u53e3\u3002<\/li>\n<\/ul>\n\n\n\n
                        window.close();  \/\/ \u5173\u95ed\u5f53\u524d\u7a97\u53e3<\/code><\/pre>\n\n\n\n
                      4. Window \u5bf9\u8c61\u7684\u4e8b\u4ef6<\/strong><\/h3>\n\n\n\n
                      Window<\/code> \u5bf9\u8c61\u53ef\u4ee5\u76d1\u542c\u6d4f\u89c8\u5668\u7a97\u53e3\u4e2d\u7684\u591a\u79cd\u4e8b\u4ef6\u3002\u4f8b\u5982\uff0c\u7a97\u53e3\u52a0\u8f7d\u5b8c\u6210\u3001\u5927\u5c0f\u53d8\u5316\u3001\u6eda\u52a8\u3001\u952e\u76d8\u8f93\u5165\u7b49\u3002<\/p>\n\n\n\n
                        \n
                      • window.onload<\/code><\/strong>\uff1a\u76d1\u542c\u9875\u9762\u52a0\u8f7d\u5b8c\u6210\u4e8b\u4ef6\u3002<\/li>\n<\/ul>\n\n\n\n
                          window.onload = function() {\n    console.log('Page loaded!');\n  };<\/code><\/pre>\n\n\n\n
                          \n
                        • window.onresize<\/code><\/strong>\uff1a\u76d1\u542c\u9875\u9762\u5c3a\u5bf8\u53d8\u5316\u4e8b\u4ef6\u3002<\/li>\n<\/ul>\n\n\n\n
                            window.onresize = function() {\n    console.log('Window resized!');\n  };<\/code><\/pre>\n\n\n\n
                            \n
                          • window.onscroll<\/code><\/strong>\uff1a\u76d1\u542c\u9875\u9762\u6eda\u52a8\u4e8b\u4ef6\u3002<\/li>\n<\/ul>\n\n\n\n
                              window.onscroll = function() {\n    console.log('Page scrolled!');\n  };<\/code><\/pre>\n\n\n\n
                              \n
                            • window.onbeforeunload<\/code><\/strong>\uff1a\u5728\u7528\u6237\u5c1d\u8bd5\u5173\u95ed\u9875\u9762\u6216\u5237\u65b0\u65f6\u89e6\u53d1\uff0c\u53ef\u4ee5\u7528\u6765\u8b66\u544a\u7528\u6237\u672a\u4fdd\u5b58\u7684\u5185\u5bb9\u3002<\/li>\n<\/ul>\n\n\n\n
                                window.onbeforeunload = function() {\n    return 'Are you sure you want to leave?';\n  };<\/code><\/pre>\n\n\n\n
                              5. Window \u5bf9\u8c61\u7684\u5b9a\u65f6\u5668\u548c\u5ef6\u65f6\u5668<\/strong><\/h3>\n\n\n\n
                                \n
                              • window.setTimeout()<\/code><\/strong>\uff1a\u8bbe\u7f6e\u4e00\u4e2a\u5b9a\u65f6\u5668\uff0c\u5728\u6307\u5b9a\u7684\u65f6\u95f4\u540e\u6267\u884c\u6307\u5b9a\u7684\u51fd\u6570\u3002<\/li>\n<\/ul>\n\n\n\n
                                  setTimeout(function() {\n    alert('This is a delayed message!');\n  }, 2000);  \/\/ 2\u79d2\u540e\u5f39\u51fa\u63d0\u793a<\/code><\/pre>\n\n\n\n
                                  \n
                                • window.setInterval()<\/code><\/strong>\uff1a\u8bbe\u7f6e\u4e00\u4e2a\u5b9a\u65f6\u5668\uff0c\u6309\u6307\u5b9a\u7684\u65f6\u95f4\u95f4\u9694\u91cd\u590d\u6267\u884c\u6307\u5b9a\u7684\u51fd\u6570\u3002<\/li>\n<\/ul>\n\n\n\n
                                    let interval = setInterval(function() {\n    console.log('This will run every second!');\n  }, 1000);\n\n  \/\/ \u505c\u6b62\u5b9a\u65f6\u5668\n  setTimeout(function() {\n    clearInterval(interval);\n    console.log('Stopped the interval!');\n  }, 5000);  \/\/ 5\u79d2\u540e\u505c\u6b62\u5b9a\u65f6\u5668<\/code><\/pre>\n\n\n\n
                                  6. Window \u5bf9\u8c61\u548c\u6d4f\u89c8\u5668\u5386\u53f2\u8bb0\u5f55<\/strong><\/h3>\n\n\n\n
                                    \n
                                  • window.history<\/code><\/strong>\uff1a\u63d0\u4f9b\u5bf9\u6d4f\u89c8\u5668\u5386\u53f2\u8bb0\u5f55\u7684\u8bbf\u95ee\u3002\u53ef\u4ee5\u7528\u6765\u524d\u8fdb\u3001\u540e\u9000\u6216\u8df3\u8f6c\u5230\u6307\u5b9a\u7684\u5386\u53f2\u8bb0\u5f55\u6761\u76ee\u3002<\/li>\n<\/ul>\n\n\n\n
                                      window.history.back();  \/\/ \u540e\u9000\n  window.history.forward();  \/\/ \u524d\u8fdb\n  window.history.go(-2);  \/\/ \u8fd4\u56de\u5230\u524d\u4e24\u9875<\/code><\/pre>\n\n\n\n
                                    7. \u6d4f\u89c8\u5668\u7a97\u53e3\u4e0e\u5b9a\u4f4d<\/strong><\/h3>\n\n\n\n
                                      \n
                                    • window.scrollTo()<\/code><\/strong>\uff1a\u6eda\u52a8\u5230\u6307\u5b9a\u7684\u9875\u9762\u4f4d\u7f6e\u3002<\/li>\n<\/ul>\n\n\n\n
                                        window.scrollTo(0, 500);  \/\/ \u5c06\u9875\u9762\u6eda\u52a8\u5230 (0, 500) \u4f4d\u7f6e<\/code><\/pre>\n\n\n\n
                                        \n
                                      • window.scrollBy()<\/code><\/strong>\uff1a\u76f8\u5bf9\u4e8e\u5f53\u524d\u9875\u9762\u4f4d\u7f6e\u8fdb\u884c\u6eda\u52a8\u3002<\/li>\n<\/ul>\n\n\n\n
                                          window.scrollBy(0, 100);  \/\/ \u5411\u4e0b\u6eda\u52a8100px<\/code><\/pre>\n\n\n\n
                                        8. \u603b\u7ed3<\/strong><\/h3>\n\n\n\n
                                        Window<\/code> \u5bf9\u8c61\u662f\u6d4f\u89c8\u5668\u73af\u5883\u4e0b\u7684\u6838\u5fc3\u5bf9\u8c61\u4e4b\u4e00\uff0c\u4f5c\u4e3a\u6d4f\u89c8\u5668\u5bf9\u8c61\u6a21\u578b\uff08BOM\uff09\u7684\u6838\u5fc3\uff0c\u63d0\u4f9b\u4e86\u4e0e\u6d4f\u89c8\u5668\u7a97\u53e3\u548c\u6d4f\u89c8\u5668\u76f8\u5173\u7684\u4e00\u7cfb\u5217\u65b9\u6cd5\u548c\u5c5e\u6027\u3002\u901a\u8fc7 Window<\/code> \u5bf9\u8c61\uff0c\u5f00\u53d1\u8005\u53ef\u4ee5\u8bbf\u95ee\u6d4f\u89c8\u5668\u7684\u5386\u53f2\u8bb0\u5f55\u3001\u5927\u5c0f\u3001\u4f4d\u7f6e\uff0c\u64cd\u4f5c\u6d4f\u89c8\u5668\u7a97\u53e3\u3001\u5904\u7406\u5b9a\u65f6\u5668\u548c\u4e8b\u4ef6\uff0c\u5e76\u4e0e\u7528\u6237\u4ea4\u4e92\u3002<\/p>\n\n\n\n
                                        \u638c\u63e1 Window<\/code> \u5bf9\u8c61\u7684\u5e38\u7528\u65b9\u6cd5\u548c\u5c5e\u6027\uff0c\u6709\u52a9\u4e8e\u5f00\u53d1\u8005\u66f4\u597d\u5730\u63a7\u5236\u548c\u4f18\u5316\u7f51\u9875\u7684\u6d4f\u89c8\u4f53\u9a8c\u3002\u66f4\u591a\u8be6\u7ec6\u5185\u5bb9\u8bf7\u5173\u6ce8\u5176\u4ed6\u76f8\u5173\u6587\u7ae0\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
                                        \u5728 JavaScript \u4e2d\uff0cWindow \u5bf9\u8c61\u662f\u6d4f\u89c8\u5668\u7684\u6838\u5fc3\u5bf9\u8c61\u4e4b\u4e00\uff0c\u5b83\u4ee3\u8868\u4e86\u6d4f\u89c8\u5668\u7a97\u53e3\uff0c\u5e76\u63d0\u4f9b\u4e86\u4e0e\u6d4f\u89c8\u5668\u7a97 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[46],"tags":[],"class_list":["post-2141","post","type-post","status-publish","format-standard","hentry","category-javascript"],"_links":{"self":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/2141","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/comments?post=2141"}],"version-history":[{"count":1,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/2141\/revisions"}],"predecessor-version":[{"id":2142,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/2141\/revisions\/2142"}],"wp:attachment":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/media?parent=2141"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/categories?post=2141"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/tags?post=2141"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}