JS_javascript スキルの平均値の小さな例

< ;asp:TextBox ID="tblmyd11" Field="lmyd11" TableName="gqls_sy" EnabledAction="(12.*)" CssClass="erp_textbox_short" runat="server" self="ydpj">

/********************硬度 HRC 平均****************************/
(function() {
$("[self='ydpj']").blur(function() { Getlmpj("11", "21", "31", "41"); }) ;
$("[self='ydpj']").blur(function() { Getlmpj("12", "22", "32", "42"); });
$( "[ self='ydpj']").blur(function() { Getlmpj("13", "23", "33", "43"); });
$("[self='ydpj '] ").blur(function() { Getlmpj("14", "24", "34", "44"); });
) {
var avg = 0;
var num1 = ChangeFloat($("input[id*=tblmyd" one "]").val());
var num2 = ChangeFloat($( " input[id*=tblmyd" two "]").val ());
var num3 = ChangeFloat($("input[id*=tblmyd" three "]").val());
if (num1 != 0 && num2 != 0 && num3 ! = 0）{
avg =（num1 num2 3; val（roundvalue（avg、0.1、1））;>
}
else {