javascript trim·½·¨
ÔÚjavascriptÖеÄstring¶ÔÏóûÓÐtrim·½·¨£¬ËùÒÔtrim¹¦ÄÜÐèÒª×Ô¼ºÊµÏÖ£º
´úÂëÈçÏ£º
Java´úÂë
﹤scriptlanguage=”javascript”﹥
/**
*ɾ³ý×óÓÒÁ½¶ËµÄ¿Õ¸ñ
*/
String.prototype.trim=function(){
return this.replace(/(^\s*)|(\s*$)/g, '');
}
/**
*ɾ³ý×ó±ßµÄ¿Õ¸ñ
*/
String.prototype.ltrim=function()
{
return this.replace(/(^s*)/g,'');
}
/**
*ɾ³ýÓұߵĿոñ
*/
String.prototype.rtrim=function()
{
return this.replace(/(s*$)/g,'');
}
﹤/script﹥
﹤scriptlanguage=”javascript”﹥
/**
*ɾ³ý×óÓÒÁ½¶ËµÄ¿Õ¸ñ
*/
String.prototype.trim=function(){
return this.replace(/(^\s*)|(\s*$)/g, '');
}
/**
*ɾ³ý×ó±ßµÄ¿Õ¸ñ
*/
String.prototype.ltrim=function()
{
return this.replace(/(^s*)/g,'');
}
/**
*ɾ³ýÓұߵĿոñ
*/
String.prototype.rtrim=function()
{
return this.replace(/(s*$)/g,'');
}
﹤/script﹥
ʹÓÃÈçÏÂ
Java´úÂë
﹤scripttype=”text/javascript”﹥
alert(document.getElementById(’abc’).value.trim());
alert(document.getElementById(’abc’).value.ltrim());
alert(document.getElementById(’abc’).value.rtrim());
﹤/script﹥
Ïà¹ØÎĵµ£º
µÚ°ËÕ Programming Practices ±à³Ìʵ¼ù
Every programming language has pain points and inefficient patterns that develop over time. The appearance of these traits occurs as people migrate to the language and start pushing its boundaries. Since 2005, when the term "Ajax" ......
µÚ¾ÅÕÂ
Building and Deploying High-Performance JavaScript Applications
´´½¨²¢²¿Êð¸ßÐÔÄÜJavaScriptÓ¦ÓóÌÐò
According to a 2007 study by Yahoo!'s Exceptional Performance team, 40%–60% of Yahoo!'s users have an empty cache experience, and about 20% of all page views are done ......
JavaScriptÊÇ»ùÓÚ¶ÔÏóµÄ£¬ÈκÎÔªËض¼¿ÉÒÔ¿´³É¶ÔÏó¡£È»¶ø£¬ÀàÐͺͶÔÏóÊDz»Í¬µÄ¡£±¾ÎÄÖУ¬ÎÒÃdzýÁËÌÖÂÛÀàÐͺͶÔÏóµÄһЩÌصãÖ®Í⣬¸üÖØÒªµÄÊÇÑо¿ÈçºÎд³öºÃµÄ²¢ÇÒÀûÓÚÖØÓõÄÀàÐÍ¡£±Ï¾¹£¬JavaScriptÕâÖÖÁ÷ÐеĽű¾ÓïÑÔÈç¹ûÄܹ»½øÐÐÁ¼ºÃµÄ·â×°£¬²¢ÐγÉÒ»¸öÅÓ´óµÄÀàÐͿ⣬¶ÔÓÚÖØÓÃÊǷdz£ÓÐÒâÒåµÄ¡£
ÍøÉ϶ÔÓÚprototypeµÄÎÄÕ弆 ......
The jLayout JavaScript library provides layout algorithms for laying out components. A component is an abstraction; it can be implemented in many ways, for example as items in a HTML5 Canvas drawing or as HTML elements. The jLayout library allows you to focus on drawing the individual components i ......
JavascriptÎļþ¼°Îļþ¼Ð²Ù×÷
Ò»¡¢¹¦ÄÜʵÏÖºËÐÄ£ºFileSystemObject ¶ÔÏó
ÒªÔÚjavascriptÖÐʵÏÖÎļþ²Ù×÷¹¦ÄÜ£¬Ö÷Òª¾ÍÊÇÒÀ¿¿FileSystemobject¶ÔÏó¡£
¶þ¡¢FileSystemObject±à³Ì
ʹÓÃFileSystemObject ¶ÔÏó½øÐбà³ÌºÜ¼òµ¥£¬Ò»°ãÒª¾¹ýÈçϵIJ½Ö裺 ´´½¨FileSystemObject¶ÔÏó¡¢Ó¦ÓÃÏà¹Ø·½·¨¡¢· ......