JS DATA COMPARISION

 

DATA COMPARISON

 

= =

= = =  // Strict Comparison

 

! =

 

>=

 

<=

 

 

 

           

 

 

 

 

 

 

NUMBER & STRING

 

10  = = “10”    // TRUE

 

10 = = = “10”  // FALSE

 

“2”>”12” // TRUE 

Because 2 is greater than 1.In string comparison it will check index by index

12>”2” // True

 

ARRAY & OBJECT

var arr1  = [1,2,3,4,5]

var arr2  = [1,2,3,4,5]

JSON.stringify(arr1)===JSON.stringify(arr2) // TRUE

CASE 1

var obj1 = {‘name’:’happy’, ’place’ :’youtube’} 

var obj2 = {‘name’:’happy’, ’place’ :’youtube’} 

JSON.stringify(obj1)===JSON.stringify(obj2) //TRUE

CASE 2

var obj1 = {‘name’:’happy’, ’place’ :’youtube’} 

var obj2 = {’place’ :’youtube’, ‘name’:’happy’ } 

 

 

function objcomparison(obj1, obj2) {

    var arr1 = Object.keys(obj1)

    var arr2 = Object.keys(obj2)

    var count = 0

    if (arr1.length == arr2.length) {

        for (i = 0; i < arr2.length; i++) {

            //if(obj1.(arr1[i])==obj2.(arr1[i]))

            if (obj1[arr1[i]] == obj2[arr1[i]])

                count++

        }

    }

    if (count == arr1.length)

        console.log(true)

    else

        console.log(false)

}

var obj1 = {

    "name": "GUVI",

    "class": "FS"

};

var obj2 = {

    "class": "FS",

    "name": "GUVIE"

};

objcomparison(obj1, obj2)