<div style="text-align: justify;">We can use 'toFixed()' function in math to format a number upto required decimal places. The value we get is after rounding the number upto the decimal place required. This function is frequently used in java script. </div>Here is the sample syntax. my_val.toFixed(4)my_val is the variable which stores the number. Here we are formatting the number upto 4 decimal places. Let us try with some examples with different number values. var my_val=11.257; document.write (my_val.toFixed(2)); // output 11.26...