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Replace text in a div

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Dec 18.2008

I know how to replace text inside a given div:
document.getElementById(“containerID”).innerHMTL = “some new text”;

But I want to change text depending on text that is in an array.

So I have an array:

my_array =
{
‘Good’ : ‘Bad’,
‘Happy’ : ‘Sad’,
}

How can I change the text in a div with the key of the array? So if my div contains the word good I want to change it to bad.

to post a comment
JavaScript

2 Comments(s) ↴

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@NedalsDec 18.2008 — document.getElementById("containerID").innerHMTL = my_array['Good'];
Copy linkTweet thisAlerts:
@toicontienDec 18.2008 — Something like this should do it:
[CODE]var key = "";
var el = document.getElementById("containerID");

for (key in my_array) {
if (el.innerHTML == key) {
el.innerHTML = my_array[key];
}
}

el = null;[/CODE]

Check out the for-in loop, which allows you to iterate over the properties of an object. It's also good to note that JavaScript does not support associative arrays, as your "my_array" variable name alludes to. Instead, JavaScript supports iterable objects.
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