ES6 some() 数组方法

function isBigEnough(element, index, array) {
   return (element >= 10);
}
var retval = [2, 5, 8, 1, 4].some(isBigEnough);
console.log("Returned value is : " + retval );

var retval = [12, 5, 8, 1, 4].some(isBigEnough);
console.log("Returned value is : " + retval );