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const array: Array<number> = new Array<number>();
array.push(1);
array.push(2);
array.push(3);
array.push(4);
// has now 4 elemnts
array = [];
// has now 0 elements
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//There are many ways of emptying an array
//setting its length = 0
myArr.length = 0;
//using splice method Array
myArr.splice(0,myArr.length);
//Pop() each element of array
while(myArr.length){
myArr.pop();
}