如何从javascript中的数据表中获取数据? [英] How do I get data from a data table in javascript?
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问题描述
我想从javascript中的表(displayTable)中的一个名为Limit的列中提取数据(字符串)。我怎么做?
I would like to pull data (string) from a column called "Limit" in a table ("displayTable") in javascript. How do I do that?
var table = document.getElementById('displayTable');
var rowCount = table.rows.length;
for (var i = 1; i < rowCount - 1; i++) {
var row = table.rows[i]["Limit"].ToString();
alert(row);
...
}
推荐答案
这就是我在javascript中读表的方法。基本上我钻进了行,然后我能够深入到每行的单个单元格中。
这应该给你一个想法
This is how I accomplished reading a table in javascript. Basically I drilled down into the rows and then I was able to drill down into the individual cells for each row. This should give you an idea
//gets table
var oTable = document.getElementById('myTable');
//gets rows of table
var rowLength = oTable.rows.length;
//loops through rows
for (i = 0; i < rowLength; i++){
//gets cells of current row
var oCells = oTable.rows.item(i).cells;
//gets amount of cells of current row
var cellLength = oCells.length;
//loops through each cell in current row
for(var j = 0; j < cellLength; j++){
/* get your cell info here */
/* var cellVal = oCells.item(j).innerHTML; */
}
}
UPDATED - TESTED SCRIPT
<table id="myTable">
<tr>
<td>A1</td>
<td>A2</td>
<td>A3</td>
</tr>
<tr>
<td>B1</td>
<td>B2</td>
<td>B3</td>
</tr>
</table>
<script>
//gets table
var oTable = document.getElementById('myTable');
//gets rows of table
var rowLength = oTable.rows.length;
//loops through rows
for (i = 0; i < rowLength; i++){
//gets cells of current row
var oCells = oTable.rows.item(i).cells;
//gets amount of cells of current row
var cellLength = oCells.length;
//loops through each cell in current row
for(var j = 0; j < cellLength; j++){
// get your cell info here
var cellVal = oCells.item(j).innerHTML;
alert(cellVal);
}
}
</script>
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