var arr = [119.657958,29.108071];function c(){ var x = ((Math.random()-0.5)/500).toFixed(6); console.log(x); return x;}let y = c();console.log(isNaN(y));console.log(typeof y);console.log(y+1); 結(jié)果為為什么y既是數(shù)字又是字符串呢
一個(gè)小數(shù)為什么用isNaN和typeof判斷不相符？
30秒到達(dá)戰(zhàn)場(chǎng)
2018-10-17 13:41:16
