题解 | #计时器#

{"css":"","js":"function count(start, end) {\n   console.log(start++);\n       var timer = setInterval(function(){\n           if(start<=end){\n               console.log(start++)\n           }else{\n               clearInterval(timer);\n           }\n       },100)\n       return{\n           cancel(){\n               clearInterval(timer);\n           }\n       }\n}","html":"","libs":[]}