jquery clever re-check and replacement (using verification and replacement)

 Verify whether the data val.value

// To replace the filter criteria 
var REG = new new the RegExp (val.value, " G " );
 // character after replacement 
 valslist = valslist.replace (REG, '' ); 

// to replace the filter criteria 
 var REG = new new the RegExp ( " ,, " , " G " ); 
valslist = valslist.replace (REG, ' , ' ); 

// find inArray specified value in the array, the index value and returns it (if not found, it returns - 1) 
// splice method to add to / from the array / delete items, then return items are deleted. data1: Location data2: Number data3: add a new item 
 vals.splice ($ inArray (val, vals ), 1.);