{"id":25,"date":"2007-05-21T00:19:10","date_gmt":"2007-05-21T04:19:10","guid":{"rendered":"http:\/\/prglab.com\/blog\/?page_id=25"},"modified":"2007-08-25T14:06:13","modified_gmt":"2007-08-25T18:06:13","slug":"js-oointro","status":"publish","type":"page","link":"https:\/\/www.prglab.com\/blog\/js-tutorial\/js-oointro","title":{"rendered":"JavaScript \u5bf9\u8c61\u7b80\u4ecb"},"content":{"rendered":"

JavaScript \u662f\u4e00\u79cd\u9762\u5411\u5bf9\u8c61\u7684\u7a0b\u5e8f\u8bed\u8a00(OOP)\u3002<\/p>\n

\u4f7f\u7528\u9762\u5411\u5bf9\u8c61\u7684\u7a0b\u5e8f\u8bed\u8a00\u6211\u4eec\u53ef\u4ee5\u5b9a\u4e49\u81ea\u5df1\u7684\u5bf9\u8c61\u548c\u53d8\u91cf\u7c7b\u578b\u3002<\/p>\n

———————————————————————————-
\n\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b<\/strong>
\nJavaScript \u662f\u4e00\u79cd\u9762\u5411\u5bf9\u8c61\u7684\u7a0b\u5e8f\u8bed\u8a00(OOP)\u3002
\n\u4f7f\u7528\u9762\u5411\u5bf9\u8c61\u7684\u7a0b\u5e8f\u8bed\u8a00\u6211\u4eec\u53ef\u4ee5\u5b9a\u4e49\u81ea\u5df1\u7684\u5bf9\u8c61\u548c\u53d8\u91cf\u7c7b\u578b\u3002<\/p>\n

\u4e0d\u8fc7\u6211\u4eec\u5173\u4e8e\u5982\u4f55\u5b9a\u4e49\u81ea\u5df1\u7684\u5bf9\u8c61\u5c06\u5728\u540e\u9762\u7684\u201cJavaScript\u9ad8\u7ea7\u201d\u90e8\u5206\u8bb2\u89e3\u3002\u8fd9\u91cc\u6211\u4eec\u8fd8\u662f\u4eceJavaScript\u5185\u7f6e\u7684\u5bf9\u8c61\u4ee5\u53ca\u4ed6\u4eec\u7684\u4f7f\u7528\u770b\u8d77\u3002\u540e\u9762\u51e0\u8282\u5c06\u9010\u4e00\u4ecb\u7ecdJavaScript\u7684\u5185\u7f6e\u5bf9\u8c61\u3002<\/p>\n

\u6ce8\u610f\u5bf9\u8c61\u53ea\u4e0d\u8fc7\u662f\u4e00\u79cd\u7279\u6b8a\u7684\u6570\u636e\u3002\u5bf9\u8c61\u5305\u542b\u5c5e\u6027\u548c\u51fd\u6570\u3002<\/p>\n

—————————————————————————–
\n\u5c5e\u6027<\/strong><\/p>\n

\u5c5e\u6027\u662f\u4e0e\u5bf9\u8c61\u8054\u7cfb\u7684\u6570\u636e\u503c\u3002
\n\u5728\u4e0b\u9762\u7684\u4f8b\u5b50\u4e2d\u6211\u4eec\u5c06\u4f7f\u7528\u5b57\u7b26\u4e32(String)\u5bf9\u8c61\u7684\u957f\u5ea6\u5c5e\u6027(length)\u6765\u8fd4\u56de\u4e00\u4e2a\u5b57\u7b26\u4e32\u7684\u5b57\u7b26\u6570\uff1a<\/p>\n\n\n
<script type=”text\/javascript”>var txt=”Hello World!”
\ndocument.write(txt.length<\/span>)<\/p>\n

<\/script><\/td>\n<\/tr>\n<\/table>\n

\u8fd9\u6bb5\u4ee3\u7801\u7684\u8f93\u51fa\u662f\uff1a<\/p>\n\n\n
12<\/td>\n<\/tr>\n<\/table>\n

———————————————————————————-
\n\u51fd\u6570<\/strong><\/p>\n

\u51fd\u6570\u662f\u53ef\u5bf9\u5bf9\u8c61\u6267\u884c\u7684\u52a8\u4f5c\u3002<\/p>\n

\u5728\u4e0b\u9762\u7684\u4f8b\u5b50\u91cc\u6211\u4eec\u5c06\u4f7f\u7528String\u5bf9\u8c61\u7684toUpperCase() \u51fd\u6570\u6765\u7528\u5927\u5199\u73b0\u5b9e\u4e00\u6bb5\u6587\u5b57\uff1a<\/p>\n\n\n
<script type=”text\/javascript”>var str=”Hello world!”
\ndocument.write(str.toUpperCase()<\/span>)<\/p>\n

<\/script><\/td>\n<\/tr>\n<\/table>\n

\u4e0a\u9762\u4ee3\u7801\u7684\u8f93\u51fa\u662f\uff1a<\/p>\n\n\n
HELLO WORLD!<\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

JavaScript \u662f\u4e00\u79cd\u9762\u5411\u5bf9\u8c61\u7684\u7a0b\u5e8f\u8bed\u8a00(OOP)\u3002 \u4f7f\u7528\u9762\u5411\u5bf9\u8c61\u7684\u7a0b\u5e8f\u8bed\u8a00\u6211\u4eec\u53ef\u4ee5\u5b9a\u4e49\u81ea\u5df1\u7684\u5bf9\u8c61\u548c\u53d8\u91cf\u7c7b\u578b\u3002 ———————————————————————————- \u9762\u5411\u5bf9\u8c61\u7f16\u7a0b JavaScript \u662f\u4e00\u79cd\u9762\u5411\u5bf9\u8c61\u7684\u7a0b\u5e8f\u8bed\u8a00(OOP)\u3002 \u4f7f\u7528\u9762\u5411\u5bf9\u8c61\u7684\u7a0b\u5e8f\u8bed\u8a00\u6211\u4eec\u53ef\u4ee5\u5b9a\u4e49\u81ea\u5df1\u7684\u5bf9\u8c61\u548c\u53d8\u91cf\u7c7b\u578b\u3002 \u4e0d\u8fc7\u6211\u4eec\u5173\u4e8e\u5982\u4f55\u5b9a\u4e49\u81ea\u5df1\u7684\u5bf9\u8c61\u5c06\u5728\u540e\u9762\u7684\u201cJavaScript\u9ad8\u7ea7\u201d\u90e8\u5206\u8bb2\u89e3\u3002\u8fd9\u91cc\u6211\u4eec\u8fd8\u662f\u4eceJavaScript\u5185\u7f6e\u7684\u5bf9\u8c61\u4ee5\u53ca\u4ed6\u4eec\u7684\u4f7f\u7528\u770b\u8d77\u3002\u540e\u9762\u51e0\u8282\u5c06\u9010\u4e00\u4ecb\u7ecdJavaScript\u7684\u5185\u7f6e\u5bf9\u8c61\u3002 \u6ce8\u610f\u5bf9\u8c61\u53ea\u4e0d\u8fc7\u662f\u4e00\u79cd\u7279\u6b8a\u7684\u6570\u636e\u3002\u5bf9\u8c61\u5305\u542b\u5c5e\u6027\u548c\u51fd\u6570\u3002 —————————————————————————– \u5c5e\u6027 \u5c5e\u6027\u662f\u4e0e\u5bf9\u8c61\u8054\u7cfb\u7684\u6570\u636e\u503c\u3002 \u5728\u4e0b\u9762\u7684\u4f8b\u5b50\u4e2d\u6211\u4eec\u5c06\u4f7f\u7528\u5b57\u7b26\u4e32(String)\u5bf9\u8c61\u7684\u957f\u5ea6\u5c5e\u6027(length)\u6765\u8fd4\u56de\u4e00\u4e2a\u5b57\u7b26\u4e32\u7684\u5b57\u7b26\u6570\uff1a <script type=”text\/javascript”>var txt=”Hello World!” document.write(txt.length) <\/script> \u8fd9\u6bb5\u4ee3\u7801\u7684\u8f93\u51fa\u662f\uff1a 12 ———————————————————————————- \u51fd\u6570 \u51fd\u6570\u662f\u53ef\u5bf9\u5bf9\u8c61\u6267\u884c\u7684\u52a8\u4f5c\u3002 \u5728\u4e0b\u9762\u7684\u4f8b\u5b50\u91cc\u6211\u4eec\u5c06\u4f7f\u7528String\u5bf9\u8c61\u7684toUpperCase() \u51fd\u6570\u6765\u7528\u5927\u5199\u73b0\u5b9e\u4e00\u6bb5\u6587\u5b57\uff1a <script type=”text\/javascript”>var str=”Hello world!” document.write(str.toUpperCase()) <\/script> \u4e0a\u9762\u4ee3\u7801\u7684\u8f93\u51fa\u662f\uff1a HELLO WORLD!<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":3,"menu_order":18,"comment_status":"open","ping_status":"open","template":"","meta":[],"_links":{"self":[{"href":"https:\/\/www.prglab.com\/blog\/wp-json\/wp\/v2\/pages\/25"}],"collection":[{"href":"https:\/\/www.prglab.com\/blog\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.prglab.com\/blog\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.prglab.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.prglab.com\/blog\/wp-json\/wp\/v2\/comments?post=25"}],"version-history":[{"count":0,"href":"https:\/\/www.prglab.com\/blog\/wp-json\/wp\/v2\/pages\/25\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/www.prglab.com\/blog\/wp-json\/wp\/v2\/pages\/3"}],"wp:attachment":[{"href":"https:\/\/www.prglab.com\/blog\/wp-json\/wp\/v2\/media?parent=25"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}