如何解决如何通过JavaScript向WordPress插件添加阶乘计算？
我想向Calculated Fields Form wordpress插件添加阶乘（n！）计算。我发现module_public.js（朝这个方向：wp-content \ plugins \ calculated-fields-form \ js \ modules \ 01_mathematical_logical \ public）包含用于数学运算的代码，但我添加了这些代码，但它们不起作用（我可以通过将代码添加到module_admin.js中来为析因按钮创建一个按钮，该按钮可以工作，但无法获得结果）。 谁能帮我？ 我添加到module_public.js的209行的代码：
if(window.FAC == undefined)
{
window.FAC = window.fac = function ()
{
var ans=1;
for (var i = 2; i <= FAC; i++)
ans = ans * i;
return ans;
};
} // End if window.FAC
module_public.js的原始代码：
fbuilderjQuery = ( typeof fbuilderjQuery != 'undefined' ) ? fbuilderjQuery : jQuery;
fbuilderjQuery[ 'fbuilder' ] = f
builderjQuery[ 'fbuilder' ] || {};
fbuilderjQuery[ 'fbuilder' ][ 'modules' ] = fbuilderjQuery[ 'fbuilder' ][ 'mo
dules' ] || {};
fbuilderjQuery[ 'fbuilder' ][ 'modules' ][ 'default' ] = {
'prefix' : '','callback' : function()
{
if(Number.prototype.LENGTH == undefined)
{
// Only LENGTH in uppercase to prevent a conflict with Lottie
Number.prototype.LENGTH = function(){return this.valueOf().toString().length;};
}
function ROUNDx(operation,num,y)
{
if(y && y != 0)
{
var r = operation(num/y)*y,p = (new String(y)).split('.');
if(p.length == 2) r = PREC(r,p[1].length);
return r;
}
else
{
return operation(num);
}
};
if(window.ROUND == undefined)
{
window.ROUND = window.round = function(num,y)
{
if(y) return ROUNDx(Math.round,y);
return ROUNDx(Math.round,num);
}
}
if(window.FLOOR == undefined)
{
window.FLOOR = window.floor = function(num,y)
{
if(y) return ROUNDx(Math.floor,y);
return ROUNDx(Math.floor,num);
}
}
if(window.CEIL == undefined)
{
window.CEIL = window.ceil = function(num,y)
{
if(y) return ROUNDx(Math.ceil,y);
return ROUNDx(Math.ceil,num);
}
}
if(window.PREC == undefined)
{
window.PREC = window.prec = function (num,pr)
{
if('undefined' == typeof pr) pr = 0;
if(/^\d+$/.test(pr) && $.isNumeric(num))
{
var f = POW(10,pr);
num = ROUND(num*f)/f;
return num.toFixed(pr);
}
return num;
};
} // End if window.PREC
if(window.CDATE == undefined)
{
window.CDATE = window.cdate = function ( num,format )
{
format = ( typeof format != 'undefined' ) ? format : ( ( typeof window.DATETIMEFORMAT != 'undefined' ) ? window.DATETIMEFORMAT : 'dd/mm/yyyy' );
if(isFinite(num*1))
{
num = Math.round(num*86400000);
var date = new Date(num),d = date.getDate(),m = date.getMonth()+1,y = date.getFullYear(),h = date.getHours(),i = date.getMinutes(),s = date.getSeconds(),a = '';
m = (m < 10) ? '0'+m : m;
d = (d < 10) ? '0'+d : d;
if( /a/.test( format ) )
{
a = ( h >= 12 ) ? 'pm' : 'am';
h = h % 12;
h = ( h == 0 ) ? 12: h;
}
h = (h < 10) ? '0'+h : h;
i = (i < 10) ? '0'+i : i;
s = (s < 10) ? '0'+s : s;
return format.replace( /y+/i,y)
.replace( /m+/i,m)
.replace( /d+/i,d)
.replace( /h+/i,h)
.replace( /i+/i,i)
.replace( /s+/i,s)
.replace( /a+/i,a);
}
return num;
};
} // End if window.CDATE
if(window.SUM == undefined)
{
window.SUM = window.sum = function ()
{
var r = 0,t;
for(var i in arguments)
{
if(Array.isArray(arguments[i])) r += SUM.apply(this,arguments[i]);
else
{
t = arguments[i]*1;
if(!isNaN(t)) r += t;
}
}
return r;
};
} // End if window.SUM
if(window.CONCATENATE == undefined)
{
window.CONCATENATE = window.concatenate = function ()
{
var r = '';
for(var i in arguments)
if(Array.isArray(arguments[i])) r += CONCATENATE.apply(this,arguments[i]);
else r += (new String(arguments[i]));
return r;
};
} // End if window.CONCATENATE
if(window.AVERAGE == undefined)
{
window.AVERAGE = window.average = function ()
{
return SUM.apply(this,arguments)/arguments.length;
};
} // End if window.AVERAGE
if(window.GCD == undefined)
{
window.GCD = window.gcd = function( a,b)
{
if ( ! b) return a;
return GCD(b,a % b);
};
} // End if window.GCD
if(window.LCM == undefined)
{
window.LCM = window.lcm = function( a,b)
{
return (!a || !b) ? 0 : ABS((a * b) / GCD(a,b));
};
} // End if window.LCM
if(window.LOGAB == undefined)
{
window.LOGAB = window.logab = function( a,b)
{
return LOG(a)/LOG(b);
};
} // End if window.LOGAB
var math_prop = ["LN10","PI","E","LOG10E","SQRT2","LOG2E","SQRT1_2","LN2","cos","pow","log","tan","sqrt","asin","abs","exp","atan2","atanh","random","acos","atan","sin"];
for(var i = 0,h = math_prop.length; i < h; i++)
{
if( !window[ math_prop[ i ] ] )
{
window[ math_prop[ i ] ] = window[ math_prop[ i ].toupperCase() ] = Math[ math_prop[ i ] ];
}
}
if(window.MIN == undefined)
{
window.MIN = window.min = function ()
{
var l = [];
for(var i in arguments)
var l = l.concat(arguments[i]);
return Math.min.apply(this,l);
};
} // End if window.MIN
if(window.MAX == undefined)
{
window.MAX = window.max = function ()
{
var l = [];
for(var i in arguments)
var l = l.concat(arguments[i]);
return Math.max.apply(this,l);
};
} // End if window.MAX
if(window.radians == undefined)
{
window.radians = window.radians = function(a){ return a*PI/180;};
}
if(window.degrees == undefined)
{
window.degrees = window.degrees = function(a){ return a*180/PI;};
}
fbuilderjQuery[ 'fbuilder' ][ 'extend_window' ]( fbuilderjQuery[ 'fbuilder' ][ 'modules' ][ 'default' ][ 'prefix' ],CF_LOGICAL );
},'validator' : function( v )
{
return ( typeof v == 'number' ) ? isFinite( v ) : ( typeof v != 'undefined' );
}
};
解决方法
尝试在下面粘贴代码！
fbuilderjQuery = ( typeof fbuilderjQuery != 'undefined' ) ? fbuilderjQuery : jQuery;
fbuilderjQuery[ 'fbuilder' ] = f
builderjQuery[ 'fbuilder' ] || {};
fbuilderjQuery[ 'fbuilder' ][ 'modules' ] = fbuilderjQuery[ 'fbuilder' ][ 'mo
dules' ] || {};
fbuilderjQuery[ 'fbuilder' ][ 'modules' ][ 'default' ] = {
'prefix' : '','callback' : function()
{
if(Number.prototype.LENGTH == undefined)
{
// Only LENGTH in uppercase to prevent a conflict with Lottie
Number.prototype.LENGTH = function(){return this.valueOf().toString().length;};
}
function ROUNDx(operation,num,y)
{
if(y && y != 0)
{
var r = operation(num/y)*y,p = (new String(y)).split('.');
if(p.length == 2) r = PREC(r,p[1].length);
return r;
}
else
{
return operation(num);
}
};
if(window.ROUND == undefined)
{
window.ROUND = window.round = function(num,y)
{
if(y) return ROUNDx(Math.round,y);
return ROUNDx(Math.round,num);
}
}
if(window.FLOOR == undefined)
{
window.FLOOR = window.floor = function(num,y)
{
if(y) return ROUNDx(Math.floor,y);
return ROUNDx(Math.floor,num);
}
}
if(window.CEIL == undefined)
{
window.CEIL = window.ceil = function(num,y)
{
if(y) return ROUNDx(Math.ceil,y);
return ROUNDx(Math.ceil,num);
}
}
if(window.PREC == undefined)
{
window.PREC = window.prec = function (num,pr)
{
if('undefined' == typeof pr) pr = 0;
if(/^\d+$/.test(pr) && $.isNumeric(num))
{
var f = POW(10,pr);
num = ROUND(num*f)/f;
return num.toFixed(pr);
}
return num;
};
} // End if window.PREC
if(window.CDATE == undefined)
{
window.CDATE = window.cdate = function ( num,format )
{
format = ( typeof format != 'undefined' ) ? format : ( ( typeof window.DATETIMEFORMAT != 'undefined' ) ? window.DATETIMEFORMAT : 'dd/mm/yyyy' );
if(isFinite(num*1))
{
num = Math.round(num*86400000);
var date = new Date(num),d = date.getDate(),m = date.getMonth()+1,y = date.getFullYear(),h = date.getHours(),i = date.getMinutes(),s = date.getSeconds(),a = '';
m = (m < 10) ? '0'+m : m;
d = (d < 10) ? '0'+d : d;
if( /a/.test( format ) )
{
a = ( h >= 12 ) ? 'pm' : 'am';
h = h % 12;
h = ( h == 0 ) ? 12: h;
}
h = (h < 10) ? '0'+h : h;
i = (i < 10) ? '0'+i : i;
s = (s < 10) ? '0'+s : s;
return format.replace( /y+/i,y)
.replace( /m+/i,m)
.replace( /d+/i,d)
.replace( /h+/i,h)
.replace( /i+/i,i)
.replace( /s+/i,s)
.replace( /a+/i,a);
}
return num;
};
} // End if window.CDATE
if(window.SUM == undefined)
{
window.SUM = window.sum = function ()
{
var r = 0,t;
for(var i in arguments)
{
if(Array.isArray(arguments[i])) r += SUM.apply(this,arguments[i]);
else
{
t = arguments[i]*1;
if(!isNaN(t)) r += t;
}
}
return r;
};
} // End if window.SUM
if(window.CONCATENATE == undefined)
{
window.CONCATENATE = window.concatenate = function ()
{
var r = '';
for(var i in arguments)
if(Array.isArray(arguments[i])) r += CONCATENATE.apply(this,arguments[i]);
else r += (new String(arguments[i]));
return r;
};
} // End if window.CONCATENATE
if(window.AVERAGE == undefined)
{
window.AVERAGE = window.average = function ()
{
return SUM.apply(this,arguments)/arguments.length;
};
} // End if window.AVERAGE
if(window.GCD == undefined)
{
window.GCD = window.gcd = function( a,b)
{
if ( ! b) return a;
return GCD(b,a % b);
};
} // End if window.GCD
if(window.LCM == undefined)
{
window.LCM = window.lcm = function( a,b)
{
return (!a || !b) ? 0 : ABS((a * b) / GCD(a,b));
};
} // End if window.LCM
if(window.LOGAB == undefined)
{
window.LOGAB = window.logab = function( a,b)
{
return LOG(a)/LOG(b);
};
} // End if window.LOGAB
var math_prop = ["LN10","PI","E","LOG10E","SQRT2","LOG2E","SQRT1_2","LN2","cos","pow","log","tan","sqrt","asin","abs","exp","atan2","atanh","random","acos","atan","sin"];
for(var i = 0,h = math_prop.length; i < h; i++)
{
if( !window[ math_prop[ i ] ] )
{
window[ math_prop[ i ] ] = window[ math_prop[ i ].toUpperCase() ] = Math[ math_prop[ i ] ];
}
}
if(window.MIN == undefined)
{
window.MIN = window.min = function ()
{
var l = [];
for(var i in arguments)
var l = l.concat(arguments[i]);
return Math.min.apply(this,l);
};
} // End if window.MIN
if(window.MAX == undefined)
{
window.MAX = window.max = function ()
{
var l = [];
for(var i in arguments)
var l = l.concat(arguments[i]);
return Math.max.apply(this,l);
};
} // End if window.MAX
if(window.FAC == undefined)
{
window.FAC = window.fac = function (num)
{
let sm=num;
if(num == 0)
return 1;
else{
for(let i=num-1; i>=1; i--){
sm *= (num-i);
console.log(sm);
}
return sm;
}
if(window.RADIANS == undefined)
{
window.RADIANS = window.radians = function(a){ return a*PI/180;};
}
if(window.DEGREES == undefined)
{
window.DEGREES = window.degrees = function(a){ return a*180/PI;};
}
fbuilderjQuery[ 'fbuilder' ][ 'extend_window' ]( fbuilderjQuery[ 'fbuilder' ][ 'modules' ][ 'default' ][ 'prefix' ],CF_LOGICAL );
},'validator' : function( v )
{
return ( typeof v == 'number' ) ? isFinite( v ) : ( typeof v != 'undefined' );
}
};
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