📄 ejsetglobalfunction.htm
字号:
<html>
<head>
<title>ejSetGlobalFunction -- GoAhead Embedded JavaScript</title>
<link rel="stylesheet" href="../../../style/doc.css" type="text/css">
</head>
<body>
<table width="550"> <tr><td>
<TABLE border=0 width=100% cellspacing=0 cellpadding=0 CLASS="apiTitle">
<TR>
<td class="titleLeft" align=left width="33%"><B>ejSetGlobalFunction</B></TD><td class="titleCenter" align=center width="33%"><b>GoAhead JavaScript API</b></TD><td class="titleRight" align=right width="33%"><B>GoAhead EMF</B></TD></TR>
</TABLE><HR>
<h2>Synopsis</h2><p>Define a JavaScript global function.</p><h2>Prototype</h2><pre>
#include "ej.h"
int <b>ejSetGlobalFunction</b>(int eid, char_t *name,
int (*fn)(int eid, void *handle, int argc, char_t **argv));
</pre>
<h2>Parameters</h2><p><table width=90%>
<TR>
<TD width=40>eid
<TD>JavaScript interpreter handle
<TR>
<TD width=40>name
<TD> Name of the function to define
<TR>
<TD width=40>fn
<TD>C function to
invoke</TD></TR></table>
<h2>Description</h2><P>The ejSetGlobalFunction procedure defines a JavaScript
function. When the function named by <i>name</i> is called,
the function defined by <i>fn</i> is called.</p><p> </p><P>When <i>fn</i> is called, the JavaScript parameters are
passed in via <i>argc</i> and <i>argv</i> as a list of
pointers to arguments. Use <A href="ejArgs.htm">ejArgs</A>
to parse the arguments array.</p><h2>Return Value</h2><p>Returns 0 if successful. Returns -1 on errors.</p><h2>Example</h2><pre>char_t *emsg;
int fn(int eid, void *handle, int argc, char_t **argv);
ejSetGlobalFunction(int eid, "myfunc", myfunc);
</pre>
<h2>See Also</h2><p>
<A href="../../../over/ejs.htm">JavaScript</A>,
<A href="../../../over/asp.htm">Active Server Pages</A>,
<A href="ejOpen.htm">ejOpen</A>,
<A href="ejSetVar.htm">ejSetVar</A>
</p></td></tr></table>
</body>
</html>
⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -