Write a JavaScript function to get the first element of an array. Passing the parameter 'n' will return the first 'n' elements of the array. Test Data: console.log(first([7, 9, 0, -2])); console.log(first([],3)); console.log(first([7, 9, 0, -2],3)); console.log(first...
JavaScript exercises, practice and solution: Write a JavaScript function to fill an array with values (numeric, string with one character) within supplied bounds.
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Write a JavaScript function which returns the n rows by n columns identity matrix. Click me to see the solution 11. Find Second Lowest and Greatest Write a JavaScript function that takes an array of numbers and finds the second lowest and second greatest numbers, respectively. ...
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JavaScript exercises, practice and solution: Write a JavaScript function to remove null, 0, blank, false, undefined and NaN values from an array.