<!doctype html><html><head><meta charset="utf-8"><title>无标题文档</title></head><body></body></html><script> ???//3377加减乘除 = 24 ????????// ???3+""+3+""+7+""+7 == 24 ???var fh = ["+","-","*","/","%"]; ???????for(var i = 0; i<fh.length; i++){ ???????????for(var j = 0 ; j<fh.length; j++){ ???????????????for(var k = 0 ; k<fh.length; k++){ ???????????????????if(eval(3+fh[i]+3+fh[i]+7+fh[i]+7) == 20){ ??????????????????????console.log(3+fh[i]+3+fh[i]+7+fh[i]+7 +"=24"); ???????????????????????console.log(i); ???????????????????} ???????????????} ???????????} ???????}</script>3377加减乘除等于24（原生js实现）
原文地址：https://www.cnblogs.com/lsqbk/p/10259007.html