千秋此意
for (var i = 0; i < 17; i++) {
if (i % 2 === 0) {
arr.push({
start: i,
end: i+1
});
}
}输出结果:[ { start: 0, end: 1 }, { start: 2, end: 3 }, { start: 4, end: 5 }, { start: 6, end: 7 }, { start: 8, end: 9 }, { start: 10, end: 11 }, { start: 12, end: 13 }, { start: 14, end: 15 }, { start: 16, end: 17 } ]