Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

JavaScript³£ÓÃÑéÖ¤ - Web ¿ª·¢ / JavaScript

ÇëÎÊÔÚjsÖÐͨ¹ýÄĸö·½·¨µ÷ÓÃÕýÔò±í´ïʽ×öÑé֤Ĩ?
1.±ÈÈçÎÒÏÖÔÚÏë×öÒ»¸ö·Ç¿ÕÑéÖ¤
function check() {
  var str = document.myform.txtUser.value;
  //È¡µ½valueÒÔºó½ÓÏÂÀ´ÈçºÎÓÃÕýÔò±í´ïʽÑé֤Ĩ?
}

2.ͬÑùÊÇ×öÒ»¸ö·Ç¿ÕÑéÖ¤, Õâ¸öÓ¦¸Ã²»ÓÃÕýÔò±í´ïʽµÄ°É?
Åжϵ¥Ñ¡°´Å¥(ÄÐÅ®, ±ØÐëҪѡÔñÒ»¸ö)ºÍ¶àÑ¡Ïî¿ò(ÖÁÉÙҪѡÔñÒ»¸ö) ÒÔ¼°ÏÂÀ­ÁбíҪѡÖÐÒ»¸ö, ÈçºÎÑéÖ¤?
function check() {
  var str = document.myform.txtUser.value;
  //È¡µ½valueÒÔºó½ÓÏÂÀ´ÈçºÎÓÃÕýÔò±í´ïʽÑé֤Ĩ?
  if(str.length<1){
  alert("Ϊ¿Õ");
  return false;//·Ç¿Õ²»ÓÃÕýÔòµÄ
  }
}

2,¼ÈȻҪ±ØÐëÑ¡ÖÐÒ»¸ö Ò²²»ÓÃÑéÖ¤ÁË Ö±½ÓĬÈÏÉèÖÃһϠÔÚhtmlÖРд checked »ò selected

ȯaspwebbchh:

1.ÕâÑù²»ºÃ°É, ¸Ð¾õºÍstr == ""Ò»Ñù, Èç¹ûÓû§ÊäÈ뼸¸ö¿Õ¸ñ¾Í±­¾ßÁË

2.ÏÖÔÚµÄÇé¿ö¾ÍÊDz»ºÃ¹Ì¶¨checkedµÄÒ»¸ö, ÖÁÉÙcheckbox²»ºÃÓð¡

str=trim(str);ÕâÑù¿Õ¸ñ¾ÍûÊÂÁË

var arr = document.getElementsByName("checkboxname");
var x=0
for(var i=0;i<arr.length;i++){
  if(arr[i].checked){
  x=x+1
  }
}
if(x==0){
alert("±ØÐëѡһ¸ö");
return false;
}

trimÕâ¸ö·½·¨ÊÇ´ÓÄÄÀïÀ´µÄ? ºÃÏñûÓÐѽ

²»ºÃÒâ˼ javascriptºÃÏñûÓÐ

function ltrim(str){
return str.replace( /^[" "|"¡¡"]*/, "");
}

function rtrim(str){
re


Ïà¹ØÎÊ´ð£º

JavascriptÃèµãÎÊÌâ - Web ¿ª·¢ / JavaScript

ÓÃjavascript¼ÓÔØÒ³ÃæÊ±Ö¸ÏòÒ»¸öÃèµã¡£ÒÑÖªÈçºÎͨ¹ýÁ´½Ó×ö³ÉÃèµãµÄ£¬¿ÉÊÇÏëÈÃÒ³Ãæ¼ÓÔØÊ±Ö±½ÓÖ¸Ïò²»ÐèÒªµã»÷Á´½Ó¡£
  1. <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" &quo ......

javascriptʵÏÖÁбíĿ¼ - Web ¿ª·¢ / JavaScript

ÎÒÏëÎÊÒ»ÏÂÈçºÎÓÃjavascript¶¯Ì¬ÊµÏÖÏñÎÒÃÇÕâ¸öÍøÕ¾×ó±ßµÄĿ¼£¬Ð»À²£¡
??


ºÇºÇ£¡Ð»Ð»°¡£¡

¶¥Ò»ÏÂ

ÄãÃÇÊÇÊ²Ã´ÍøÕ¾°¡£¬ÒªÊǺǫ́ÊÇjavaÖ±½Ójsp£¬Èç¹ûºǫ́ÊÇc£¬ÄǾÍÓÃcgiÉú³Éxml£¬js¶¯Ì¬È¥¶ÁxmlµÄÊý¾Ý

Ó ......

ÇóÏÂÁª JavaºÍJavaScript - Java / ·Ç¼¼ÊõÇø

ÉÏÁª£ºJavaºÍJavaScript

×Ô¼ºÊÔÊÔ£º
ÏÂÁª£ºÃæ°üºÍÃæ°ü³µ

ÏÂÁª£ºSQLºÍMySQL
ºÇºÇ¡£

me and myself

ÏÂÁª£ºJavaScriptºÍJava

ÍÃ×ÓºÍÍÃ×Óʺ£¡
£¡

ÔÙÀ´Ò»¸ö£ºCºÍC++

ÒýÓÃ
ÏÂÁª£ºJavaScriptºÍJav ......

JavascriptÖÐÎļþ·¾¶µÄÎÊÌâ - Web ¿ª·¢ / Ajax

Îʸö±È½Ï»ù´¡µÄÎÊÌ⣬ÔÚÒ»¸öhtmlÎļþÖÐÒýÈëÁËÒ»¸ö.jsµÄÎļþ£¬ÄÇô¶ÔÓÚÕâ¸ö .js µÄÎļþÀ´Ëµ£¬ËüËù¶ÔÓ¦µÄµ±Ç°Â·¾¶Ó¦¸ÃÊÇÄÄÒ»¸ö£¿ÊÇhtmlÎļþËùÔڵķ¾¶£¬»¹ÊÇ .js ÎļþµÄ·¾¶£¿£¨htmlÓëjs²»ÔÚͬһÎļþ¼ÐÖУ©
ÓÉÓÚjsÖÐÒ ......

JavaScriptÅжÏÎÊÌâ¡£¡£¡£ - .NET¼¼Êõ / ASP.NET

protected void GridView1_RowDeleting(object sender, GridViewDeleteEventArgs e)
  {
  string strMsg = "ÄãÈ·¶¨ÒªÉ¾³ýÂð£¿";
  int flag = 0;
  Res ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ