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Onclick of the button " Return" in the HTML code fires the function myValue() in the block at the same time slice() method selects elements in an array as per the given input values and returns in an new array. We need to return the selected elements in an array, for that we are using slice() method, which is commonly called as ' Array Slice', and we are giving the values ' 0' and ' 4' to slice(0, 4) method, that means it returns from the element ' 0' (Zero is the starting number when we are counting the elements in an array) to element ' 3'. In the above code snippet we have given Id as " myId "to the second element in the HTML code. There is a function myValue() in the block which is connected to the onclick of the HTML button and array with value "" to the variable a. Var a = ĭocument.getElementById(" myId").innerHTML = b

Click the below to show the select the city related to country. The Array slice we can return the selected elements in an array.ĮXAMPLE: Returning the selected elements in an array by giving positive values to ' Start' and ' End' parameters.