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[英]How to create a function that populates TEXTAREA using multiple textbox in PHP/Javascript
[英]How to create multiple textbox in javascript using for loop?
我想向动态创建的textbox
添加textbox
。
var dynamicTextBox= "";
for (var i = 0; i < vm.FitToWork.length; i++) {
dynamicTextBox+= '<input class="form-control" name = "DynamicTextBox" id= "DynamicTextBox" type="text" value = "'vm.FitToWork[i]'" /> ' +
'<button id="btnAdd" class="delete-decl">+</button>';
}
document.getElementById("TextBoxContainer").innerHTML=dynamicTextBox;
它不工作..
您错过了concat。
var dynamicTextBox= "";
for (var i = 0; i < vm.FitToWork.length; i++) {
dynamicTextBox+= '<input class="form-control" name = "DynamicTextBox" id= "DynamicTextBox" type="text" value = "'+vm.FitToWork[i]+'" /> ' + '<button id="btnAdd" class="delete-decl">+</button>';
}
document.getElementById("TextBoxContainer").innerHTML=dynamicTextBox;
您有语法错误。 您正在尝试连接变量vm.FitToWork[i]
,但未使用连接运算符( +
)。 尝试以下代码:
var dynamicTextBox= ""; // ignore this. just have this to get the code working var vm = {FitToWork : ["test","rest","vest"]}; for (var i = 0; i < vm.FitToWork.length; i++) { dynamicTextBox += '<input class="form-control" name = "DynamicTextBox" id= "DynamicTextBox" type="text" value = "' + vm.FitToWork[i] + '" />'; dynamicTextBox += '<button id="btnAdd" class="delete-decl">+</button></br>'; } document.getElementById("TextBoxContainer").innerHTML = dynamicTextBox;
<div id="TextBoxContainer"></div>
您忘了增加价值:
... value="' + vm.FitToWork[i] + '" ...
value应该在+ + value = "' + value + '"
所以value = "'+vm.FitToWork[i]+'"
或者你可以尝试这个
'<input name = "DynamicTextBox" type="text" value = "' + value + '" />' +
'<input type="button" value="+" id="btnAdd" class="delete-decl" />'
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