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[英]How to pass more than 2 parameters in javascript dynamic click event?
[英]How to pass parameters to function on dynamic row click event
我的身上有一个搜索按钮。 在此搜索按钮上单击,我将按钮单击事件称为:
$(document).ready(function() {
//On Search Button click, this function creates dynamic tables.
$("#searchBtn").click(function() {
var numArray = new Array("1", "2", "3", "4", "5", "6", "7", "8", "9", "10");
var alphaArray = new Array("a", "b", "c", "d", "e", "f", "g", "h", "i", "j");
var table = $('<table></table>').addClass('table');
for (i = 0; i < numArray.length; i++) {
var tbody = $('<tbody></tbody>');
var row = $('<tr></tr>');
var num = numArray[i];
var alpha = alphaArray[i];
row.on("click", function() {
selectRow(num, alpha);
});
var cell1 = $('<td></td>').addClass('spacer').text(numArray[i]);
var cell2 = $('<td></td>');
var button;
if (alpha[i] == "b") {
button = $('<button type="button">').addClass('btn btn-primary').text('BOY');
} else if (alpha[i] == "g") {
button = $('<button type="button">').addClass('btn btn-success').text('GIRL');
} else if (alpha[i] == "h") {
button = $('<button type="button">').addClass('btn btn-warning').text('HI');
}
cell2.append(button);
row.append(cell1);
row.append(cell2);
tbody.append(row);
table.append(tbody);
}
$('#searchTable').append(table);
});
现在在单独的行上单击我正在调用一个函数selectRow(num,alpha),该函数期望两个参数为:
function selectRow(num,alpha){
$(document).ready(function() {
alert("Number and Alphabet is "+num + alpha );
});
但是,当控件使用上述功能时,警报将始终打印两个数组的最后一条记录。
我究竟做错了什么? 期待您的回答。
尝试在您的函数中传递this
并使用data-*
属性。
同样在您的代码中,您将为一个table
创建多个tbody
,在循环之前使用以下两行,
var tbody = $('<tbody></tbody>');
tbody.append(row);
function selectRow(ths){ alert("Number and Alphabet is "+$(ths).data('num') + $(ths).data('alpha')); }; $(function () { $("#searchBtn").click(function () { var numArray = new Array("1", "2", "3", "4", "5", "6", "7", "8", "9", "10"); var alphaArray = new Array("a", "b", "c", "d", "e", "f", "g", "h", "i", "j"); var table = $('<table></table>').addClass('table'); var tbody = $('<tbody></tbody>'); table.append(tbody); for (i = 0; i < numArray.length; i++) { var num = numArray[i]; var alpha = alphaArray[i]; var row = $('<tr data-num="'+num+'" data-alpha="'+alpha+'"></tr>'); row.on("click", function () { selectRow(this); }); var cell1 = $('<td></td>').addClass('spacer').text(numArray[i]); var cell2 = $('<td></td>'); var button; if (alpha == "b") { button = $('<button type="button">').addClass('btn btn-primary').text('BOY'); } else if (alpha == "g") { button = $('<button type="button">').addClass('btn btn-success').text('GIRL'); } else if (alpha == "h") { button = $('<button type="button">').addClass('btn btn-warning').text('HI'); } cell2.append(button); row.append(cell1); row.append(cell2); tbody.append(row); } $('#searchTable').append(table); }); });
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script> <button id="searchBtn">Search</button> <div id="searchTable"></div>
尝试替换这些行:
var row = $('<tr></tr>');
var num =numArray[i];
var alpha =alphaArray[i];
row.on("click", function () {
selectRow(num, alpha);
});
使用此代码:
var num =numArray[i];
var alpha =alphaArray[i];
var row = $('<tr onclick="selectRow(' + num + ',' + alpha + ');"></tr>');
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