javascript 数据存储的常用函数总结

function pushtoArray(myarr,mydata){

   if(myarr.length==0){

     myarr.push(mydata);
   }else{
     var okush=true;
     for(var ele in myarr){


       if(myarr[ele]==mydata){
         okush=false;



       }
     }

     if(okush){
       myarr.push(mydata);
     }


   }

   return myarr;

 }

Array.prototype.remove = function(val) {
     var index = this.indexOf(val);
     if (index > -1) {
       this.splice(index, 1);
     }
   };

function setObjectStorage(itemname,myobj){
   localStorage.setItem(itemname, JSON.stringify(myobj));
 }

 function getObjectStorage(itemname){
   return JSON.parse(localStorage.getItem(itemname));
 }