您可以创建一个哈希。
var ar = [ [2,6,89,45], [3,566,23,79], [434,677,9,23]];var hash = {};for(var i = 0 ; i < ar.length; i += 1) { hash[ar[i]] = i;}var val = [434,677,9,23];if(hash.hasOwnProperty(val)) { document.write(hash[val]);}
您可以创建一个哈希。
var ar = [ [2,6,89,45], [3,566,23,79], [434,677,9,23]];var hash = {};for(var i = 0 ; i < ar.length; i += 1) { hash[ar[i]] = i;}var val = [434,677,9,23];if(hash.hasOwnProperty(val)) { document.write(hash[val]);}名师互学网 版权所有 (c)2021-2022 ICP备案号：晋ICP备2021003244-6号
