/** * Custom rounding added prototype * @param number The number to apply rounding to. Must be of type Number. * @param decimals Number of decimal points to keep. Must be in the range of 0 - 20. */ // Vue prototyping ES6 Vue.prototype.$roundNumber = (number, decimals) => Number( (`${Math.round(`${number}e${decimals}`)}e-${decimals}`), ); // Example usage var roundInVue = 1.005; console.log(this.$roundNumber(roundInVue, 2)); // -> 1.01 /** * Custom rounding added prototype * @param decimals Number of decimal points to keep. Must be in the range of 0 - 20. */ // ES6 Number.prototype.round = (decimals) => Number((`${Math.round(`${this}e${decimals}`)}e-${decimals}`)); // ES5 Number.prototype.round = function(decimals) { return Number((Math.round(this + "e" + decimals) + "e-" + decimals)); } // Example usage var numberToRound = 1.005; console.log(numberToRound.round(2)); // -> 1.01