JS函数扩展
时间:2010-12-17 来源:tyb1222
//===========================================================================================================
//扩展Array,增加IsInAyyay函数。函数功能:判断数组是否包含某元素
Array.prototype.IsInAyyay=function(e)
{
for (var i=0;i<this.length;i++)
{
if (this[i]==e)
{
return true;
}
}
return false;
}
Array.prototype.removeEmpty=function(e)
{
for (var i=0;i<this.length ;i++ )
{
if (this[i].length==0)
{
this.splice(i,1);
}
}
return this;
}
String.prototype.CutLast=function(e)
{
if (this.substr(this.length-1)==e)
{
return this.substr(0,this.length-1);
}
else
{//alert("return CutLast this"+" "+this);
return this;
}
}
String.prototype.reMoveStr=function(e)
{
var reg;
if (this.indexOf(e+",")==-1)
{
if (this.indexOf(e)!=-1)
{
reg = new RegExp(e);
return this.replace(reg,"");
}
else
{
return this;
}
}
else
{
reg = new RegExp(e+",");
return this.replace(reg,"");
}
}
String.prototype.padLeft=function(e,n)
{
var reValue="";
if (this.length<n)
{
for (var i=0;i<n-1;i++)
{
reValue+=e;
}
return (reValue+this);
}
else
{
return this;
}
}
http://blog.csdn.net/rainbowbaby/archive/2008/12/26/3616247.aspx