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<script>
str="123,6798,23,11111111,232233,2323232,7897879"
var strArray = str.split(",")
for(var i = 0; i < strArray.length; i++)
document.write("var"+i+"="+strArray[i]+"<br />")
document.write(",的数量为"+(strArray.length-1))
</script>
var arr=str.split(',') //你确定是中文的逗号?
alert(arr);