Passing a parameter using the onclick function is read as a variable when it should be read as a string
Here's my problem:
I am dynamically creating a button with onclick function like this:
$("#test).html('<input type="button" value="Close" onclick="remove('+param1+','+param2+');" />');
The parameters read well, but the function is not a trigger and I have this error message: "bob is not defined" when bob is the string value of param1.
It seems that bob seems to be read as a variable when it should be read as a string, but I don't understand why.
Many thanks for your help!
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This is because this line is right here:
'onclick="remove('+param1+','+param2+');"'
In the end it will look like this:
'onclick="remove(foo, bar);"'
You probably want it to look like this:
'onclick="remove(\'foo\', \'bar\');"'
So change it to this:
'onclick="remove(\''+param1+'\', \''+param2+'\');"'
You can also do this:
$("#test").html('<input type="button" value="Close" />').find('input[type=button]').click(function () {
remove(param1, param2);
});
Edit: I also noticed that you were missing one "from your $ () - call:" $("#test)
should $("#test")
.
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I can offer you this
<script type="text/javascript">
//<![CDATA[
var i = 0;
$(function () {
$("#lnkAdder").click(function () {
// appending new item
$("#Container").append(
$("<a>").attr({ "href": "javascript:;" }).text("Click me").click(function () {
var data = ++i;
alert("I'm clicked, I'm number " + data);
})
);
});
});
//]]>
</script>
<a href="javascript:;" id="lnkAdder">Add item</a>
<div id="Container"></div>
The key here is javascript closure. As you can see there is a link under the title lnkAdder
. He is responsible for adding a new item to the container. When clicked, it adds a new item to the container. On adding, you use the jQuery API and create a new element, add attributes and add an event listener. In the body of the event listener, you copy the value into an internal variable. They use it as needed.
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