how to remove number after decimal in javascript code example

Example 1: remove decimals javascript

Math.floor(5.9) //5
Math.ceil(5.1) //6
Math.round(9.5) //10
5.3 >> 0 //5 (same as Math.floor)
7.9 >> 0 //7 (same as Math.floor)

Example 2: how to cut off decimals in javascript

string.split(".")[0];