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<script>
var str = "a b";
var arr = str.split('\t');
document.write("<ul>");
for (var i = 0; i < arr.length; i++) {
document.write("<li>" + arr[i] + "</li>");
}
document.write("</ul>");
</script>
function getDataRows(text){
var sepChar = '\t';
var dataRows = new Array();
if(text == '') {
return dataRows;
}
var arr = text.split(/\r\n/g);
if(arr.length == 0) {
return dataRows;
}
for (var i=0; i<arr.length; i++) {
if(arr[i] == '') {
continue;
}
dataRows[i] = new Array();
var j = 0;
var tabIndex = 0;
while (tabIndex > -1) {
tabIndex = arr[i].indexOf(sepChar);
if(tabIndex > -1){
dataRows[i][j] = arr[i].substring(0, tabIndex);
arr[i] = arr[i].substring(tabIndex+1);
j++;
}
else {
dataRows[i][j] = arr[i];
}
}
}
return dataRows;
}
var str = '1\t2\t\t3';
alert(str);
var result = str.split(/\t/g);
for (var i in result)
alert(result[i]);
//包含4个元素,分别为 1,2,空,3