Remove empty elements from an array in Javascript

var array = [9, 8, null, 2, “”, undefined, 3,,,,,, 4,, 4,, 5,, 6,,1,2,null, undefined,3,,3,,,0,,,[],,{},,5,,6,,,,];

1.use filter()

var filtered = array.filter(function (elements) {
  return elements != null;
});
console.log(filtered);

2.use push() and splice()

//clear null ,"", undefined ,0

len = array.length;

// copy 
for(i = 0; i < len; i++ ){
    array[i] && array.push(array[i]);  
}


// cut 
array.splice(0 , len);  

console.log("use push() and splice()",array);

3.using ES6 and push()

//clear null ,"", undefined ,0
temp = [];

// copy to new array
for(let i of array )
    i && temp.push(i); 

array= temp;

console.log("use ES6",array);