How to Remove Text from a String in JavaScript?

Removing Text from a String

When working with strings in programming, it's often necessary to modify them. One common task is removing specific text from a string.

The Question

Consider the string "data-123". The goal is to remove the "data-" prefix while preserving the "123" part.

The Answer

To remove text from a string in JavaScript, you can use the replace() method. This method takes two arguments: the text to be replaced and the replacement text.

In our case, we want to remove "data-" from the string. Here's how we can do it:

<code class="javascript">var ret = "data-123".replace('data-','');</code>

The replace() method searches for the specified text ("data-") and replaces it with the replacement text (an empty string in this case).

Result

After executing the replace() method, the ret variable will contain the modified string:

123

This is because the "data-" prefix has been removed, leaving only the "123" part of the original string.

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