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我使用Google圖表爲select事件獲取了未定義的列索引。也有類似的問題here,here和here我看過,但並沒有解決我的問題。我的目標是能夠確定用戶何時單擊「[x]」以從表中刪除相應的行。謝謝。在Google圖表選擇事件中未定義列索引
var data = new google.visualization.DataTable();
data.addColumn('string', 'Site');
data.addColumn('number', 'Logins');
data.addColumn('string', '');
data.addRows([['ABC', 123, '[ x ]']]);
function drawTable() {
// Create and draw the visualization.
visualization = new google.visualization.Table(document.getElementById('table_div'));
visualization.draw(data, null);
google.visualization.events.addListener(visualization, 'select', selectHandler);
}
function selectHandler() {
var selectedItem = visualization.getSelection()[0];
console.log(selectedItem); // output: Object {row: 0}
if (selectedItem == undefined)
return false;
console.log(selectedItem.column); // output: undefined
var value = data.getValue(selectedItem.row, selectedItem.column);
console.log(value); // output: Uncaught Error: Invalid column index undefined. Should be an integer in the range [0-3].
}