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<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 arepassed in via <i>argc</i> and <i>argv</i> as a list ofpointers 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
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