Summary of common functions for data storage in JavaScript

This article mainly introduces javascript data storage common functions summary related information, friends in need can refer to

common functions of data storage

Save arraynon-duplicate values

function pushtoArray(myarr,mydata){

   if(myarr.length==0){

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


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



       }
     }

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


   }

   return myarr;

 }

Delete elements in the array

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

Save objectsto localStorage

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

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

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