{"id":2664,"date":"2023-11-14T14:26:31","date_gmt":"2023-11-14T06:26:31","guid":{"rendered":""},"modified":"2023-11-14T14:26:31","modified_gmt":"2023-11-14T06:26:31","slug":"JavaScript\u51fd\u6570","status":"publish","type":"post","link":"https:\/\/bianchenghao6.com\/2664.html","title":{"rendered":"JavaScript\u51fd\u6570"},"content":{"rendered":"<div class=\"titlebox\">\n<h1>JavaScript\u51fd\u6570<\/h1>\n<\/div>\n<div class=\"desc\">\n <b> JavaScript\u51fd\u6570<\/b>\u7528\u4e8e\u6267\u884c\u64cd\u4f5c\u3002\u6211\u4eec\u53ef\u4ee5\u591a\u6b21\u8c03\u7528JavaScript\u51fd\u6570\u6765\u91cd\u7528\u4ee3\u7801\u3002\n<\/div>\n<h2> JavaScript\u51fd\u6570\u7684\u4f18\u70b9<\/h2>\n<div class=\"desc\">\n  JavaScript\u51fd\u6570\u4e3b\u8981\u6709\u4e24\u4e2a\u4f18\u70b9\u3002\n<\/div>\n<p><span class=\"line\"> <b>\u4ee3\u7801\u53ef\u91cd\u7528\u6027<\/b>\uff1a\u6211\u4eec\u53ef\u4ee5\u591a\u6b21\u8c03\u7528\u4e00\u4e2a\u51fd\u6570\uff0c\u4ee5\u8282\u7701\u4ee3\u7801\u3002<\/span><br \/>\n<span class=\"line\"> <b>\u66f4\u5c11\u7684\u7f16\u7801<\/b>\uff1a\u5b83\u4f7f\u6211\u4eec\u7684\u7a0b\u5e8f\u7d27\u51d1\uff0c\u6211\u4eec\u4e0d\u9700\u8981\u6bcf\u6b21\u90fd\u5199\u5f88\u591a\u4ee3\u7801\u6765\u6267\u884c\u4e00\u9879\u5e38\u89c1\u4efb\u52a1\u3002<\/span> <\/p>\n<h2 class=\" h2\"> JavaScript\u51fd\u6570\u8bed\u6cd5<\/h2>\n<div class=\"desc\">\n  \u58f0\u660e\u51fd\u6570\u7684\u8bed\u6cd5\u5982\u4e0b\u3002\n<\/div>\n<div class=\"codebox codeshow\">\n<pre class=\"pure-highlightjs\"><code class=\"null\"><span> function functionName([arg1, arg2, ...argN]){<br> &nbsp;&nbsp;\/\/ \u6267\u884c\u7684\u4ee3\u7801<br> }<br> <\/span><\/code><\/pre>\n<\/div>\n<div class=\"desc\">\n  JavaScript\u51fd\u6570\u53ef\u4ee5\u67090\u4e2a\u6216\u591a\u4e2a\u53c2\u6570\u3002\n<\/div>\n<h2 class=\" h2\"> JavaScript\u51fd\u6570\u793a\u4f8b<\/h2>\n<div class=\"desc\">\n  \u8ba9\u6211\u4eec\u770b\u4e00\u4e0bJavaScript\u4e2d\u6ca1\u6709\u53c2\u6570\u7684\u7b80\u5355\u51fd\u6570\u793a\u4f8b\u3002\n<\/div>\n<div class=\"codebox codeshow\">\n<pre class=\"pure-highlightjs\"><code class=\"null\"><span> &lt;script&gt;<br> function msg(){<br> &nbsp;&nbsp;alert(\"hello! this is message\");<br> }<br> &lt;\/script&gt;<br> &lt;input type=\"button\" onclick=\"msg()\" value=\"call function\"\/&gt;<br> <\/span><\/code><\/pre>\n<\/div>\n<h3>\u4ee5\u4e0a\u793a\u4f8b\u7684\u8f93\u51fa<\/h3>\n<div class=\"result\">\n <script>\n                        function msg(){  \nalert(\"hello! this is message\");  \n}  \n<\/script><br \/>\n <input type=\"button\" onclick=\"msg()\" value=\"call function\">\n<\/div>\n<h2 class=\" h2\"> JavaScript\u51fd\u6570\u53c2\u6570<\/h2>\n<div class=\"desc\">\n  \u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u4f20\u9012\u53c2\u6570\u6765\u8c03\u7528\u51fd\u6570\u3002\u8ba9\u6211\u4eec\u770b\u4e00\u4e0b\u5177\u6709\u4e00\u4e2a\u53c2\u6570\u7684\u51fd\u6570\u793a\u4f8b\u3002\n<\/div>\n<div class=\"codebox codeshow\">\n<pre class=\"pure-highlightjs\"><code class=\"null\"><span> &lt;script&gt;<br> function getcube(number){<br> alert(number*number*number);<br> }<br> &lt;\/script&gt;<br> &lt;form&gt;<br> &lt;input type=\"button\" value=\"click\" onclick=\"getcube(4)\"\/&gt;<br> &lt;\/form&gt;<br> <\/span><\/code><\/pre>\n<\/div>\n<h3>\u4ee5\u4e0a\u793a\u4f8b\u7684\u8f93\u51fa<\/h3>\n<div class=\"result\">\n <script>\n                        function getcube(number){  \nalert(number*number*number);  \n}  \n<\/script> <\/p>\n<form>\n  <input type=\"button\" value=\"click\" onclick=\"getcube(4)\"><br \/>\n <\/form>\n<\/div>\n<h2 class=\" h2\">\u5177\u6709\u8fd4\u56de\u503c\u7684\u51fd\u6570<\/h2>\n<div class=\"desc\">\n  \u6211\u4eec\u53ef\u4ee5\u8c03\u7528\u8fd4\u56de\u503c\u7684\u51fd\u6570\u5e76\u5728\u7a0b\u5e8f\u4e2d\u4f7f\u7528\u5b83\u3002\u8ba9\u6211\u4eec\u770b\u4e00\u4e0b\u8fd4\u56de\u503c\u7684\u51fd\u6570\u793a\u4f8b\u3002\n<\/div>\n<div class=\"codebox codeshow\">\n<pre class=\"pure-highlightjs\"><code class=\"null\"><span> &lt;script&gt;<br> function getInfo(){<br> return \"hello lidihuo! How r u?\";<br> }<br> &lt;\/script&gt;<br> &lt;script&gt;<br> document.<span class=\"mediumblue\">write<\/span>(getInfo());<br> &lt;\/script&gt;<br> <\/span><\/code><\/pre>\n<\/div>\n<h3>\u4ee5\u4e0a\u793a\u4f8b\u7684\u8f93\u51fa<\/h3>\n<div class=\"result\">\n <script>\n                    function getInfo() {\n                        return \"hello lidihuo! How r u?\";\n                    }\n                    <\/script><br \/>\n <script>\n                    document.write(getInfo());\n                    <\/script>\n<\/div>\n<h2 class=\" h2\"> JavaScript\u51fd\u6570\u5bf9\u8c61<\/h2>\n<div class=\"desc\">\n  \u5728JavaScript\u4e2d\uff0c<br \/>\n <strong>\u51fd\u6570\u6784\u9020\u51fd\u6570<\/strong>\u7684\u76ee\u7684\u662f\u521b\u5efa\u4e00\u4e2a\u65b0\u7684Function\u5bf9\u8c61\u3002\u5b83\u5168\u5c40\u6267\u884c\u4ee3\u7801\u3002\u4f46\u662f\uff0c\u5982\u679c\u6211\u4eec\u76f4\u63a5\u8c03\u7528\u6784\u9020\u51fd\u6570\uff0c\u5219\u4f1a\u52a8\u6001\u5730\u4f46\u4e0d\u5b89\u5168\u5730\u521b\u5efa\u51fd\u6570\u3002\n<\/div>\n<h2 class=\" h2\">\u8bed\u6cd5<\/h2>\n<div class=\"codebox codeshow\">\n<pre class=\"pure-highlightjs\"><code class=\"null\"><span> new Function ([arg1[, arg2[, ....argn]],] functionBody)<br> <\/span><\/code><\/pre>\n<\/div>\n<h2 class=\" h2\">\u53c2\u6570<\/h2>\n<div class=\"desc\">\n <strong> arg1\uff0carg2\uff0c....\uff0cargn <\/strong>-\u8868\u793a\u51fd\u6570\u4f7f\u7528\u7684\u53c2\u6570\u3002\n<\/div>\n<div class=\"desc\">\n <strong> functionBody <\/strong>-\u8868\u793a\u51fd\u6570\u5b9a\u4e49\u3002\n<\/div>\n<h2 class=\" h2\"> JavaScript\u51fd\u6570\u65b9\u6cd5<\/h2>\n<div class=\"desc\">\n  \u8ba9\u6211\u4eec\u770b\u4e00\u4e0b\u5e26\u6709\u63cf\u8ff0\u7684\u51fd\u6570\u65b9\u6cd5\u3002\n<\/div>\n<table>\n<tbody>\n<tr>\n<td>\u65b9\u6cd5<\/td>\n<td>\u8bf4\u660e<\/td>\n<\/tr>\n<tr>\n<td> apply() <\/td>\n<td>\u7528\u4e8e\u8c03\u7528\u5305\u542b\u8be5\u503c\u548c\u5355\u4e2a\u53c2\u6570\u6570\u7ec4\u7684\u51fd\u6570\u3002<\/td>\n<\/tr>\n<tr>\n<td> bind() <\/td>\n<td>\u7528\u4e8e\u521b\u5efa\u65b0\u529f\u80fd\u3002<\/td>\n<\/tr>\n<tr>\n<td> call() <\/td>\n<td>\u7528\u4e8e\u8c03\u7528\u5305\u542b\u6b64\u503c\u548c\u53c2\u6570\u5217\u8868\u7684\u51fd\u6570\u3002<\/td>\n<\/tr>\n<tr>\n<td> toString() <\/td>\n<td>\u5b83\u4ee5\u5b57\u7b26\u4e32\u5f62\u5f0f\u8fd4\u56de\u7ed3\u679c\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2 class=\" h2\"> JavaScript\u51fd\u6570\u5bf9\u8c61\u793a\u4f8b<\/h2>\n<h3 class=\" h3\">\u793a\u4f8b1 <\/h3>\n<div class=\"desc\">\n  \u8ba9\u6211\u4eec\u770b\u4e00\u4e2a\u663e\u793a\u7ed9\u5b9a\u6570\u5b57\u603b\u548c\u7684\u793a\u4f8b\u3002 <\/p>\n<div class=\"codebox codeshow\">\n<pre class=\"pure-highlightjs\"><code class=\"null\"><span> &lt;script&gt;<br> var add=new Function(\"num1\",\"num2\",\"return num1+num2\");<br> document.<span class=\"mediumblue\">writeln<\/span>(add(2,5));<br> &lt;\/script&gt;<br> <\/span><\/code><\/pre>\n<\/p><\/div>\n<div class=\"desc\">\n  <strong>\u8f93\u51fa\uff1a<\/strong>\n <\/div>\n<div class=\"result\">\n   7\n <\/div>\n<h3 class=\" h3\">\u793a\u4f8b2 <\/h3>\n<div class=\"desc\">\n   \u8ba9\u6211\u4eec\u770b\u4e00\u4e2a\u663e\u793a\u6240\u63d0\u4f9b\u503c\u7684\u793a\u4f8b\u3002\n <\/div>\n<div class=\"codebox codeshow\">\n<pre class=\"pure-highlightjs\"><code class=\"null\"><span> &lt;script&gt;<br> var pow=new Function(\"num1\",\"num2\",\"return Math.<span class=\"mediumblue\">pow<\/span>(num1,num2)\");<br> document.<span class=\"mediumblue\">writeln<\/span>(pow(2,3));<br> &lt;\/script&gt;<br> <\/span><\/code><\/pre>\n<\/p><\/div>\n<div class=\"desc\">\n  <strong>\u8f93\u51fa\uff1a<\/strong>\n <\/div>\n<div class=\"result\">\n   8\n <\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"JavaScript\u51fd\u6570zh-cn","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[179],"tags":[],"class_list":["post-2664","post","type-post","status-publish","format-standard","hentry","category-javascript-jc"],"_links":{"self":[{"href":"https:\/\/bianchenghao6.com\/wp-json\/wp\/v2\/posts\/2664"}],"collection":[{"href":"https:\/\/bianchenghao6.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/bianchenghao6.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/bianchenghao6.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/bianchenghao6.com\/wp-json\/wp\/v2\/comments?post=2664"}],"version-history":[{"count":0,"href":"https:\/\/bianchenghao6.com\/wp-json\/wp\/v2\/posts\/2664\/revisions"}],"wp:attachment":[{"href":"https:\/\/bianchenghao6.com\/wp-json\/wp\/v2\/media?parent=2664"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/bianchenghao6.com\/wp-json\/wp\/v2\/categories?post=2664"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/bianchenghao6.com\/wp-json\/wp\/v2\/tags?post=2664"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}