js,some方法比较!

function isBigEnough(element, index, array) {
 return (element >= 10);
}
 
var retval = [2, 5, 8, 1, 4].some(isBigEnough);
document.write("Returned value is : " + retval );
 
var retval = [12, 5, 8, 1, 4].some(isBigEnough);
document.write("<br />Returned value is : " + retval );

Returned value is : false

Returned value is : true