Javascript Trim

Michael Zippo 04.11.2021

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The JavaScript trim () method removes white space from the start and end of a string. The trimLeft () and trimStart () methods cut white space at the start of a string. trimRight () and trimEnd () strip out blanks at the end of a string.

You can remove spaces, such as spaces, tabs, or newlines, at the start or end of a string. For example, suppose you have a string of customer names. You may want to make sure that there are no extra spaces at the end of each name.

This is where the trim () JavaScript function comes in. trim ()

removes the function of character spaces at the start and end of a string There are functions related to the plate () you can use:.

TrimLeft ()
TrimStart ()
TrimRight ()
TrimEnd ()

In this tutorial, we’ll explore the JavaScript trim () function and how it works. We’ll also look at the four related functions that you can use in place of or in addition to trim ().

JavaScript trim () String

The JavaScript trim () method removes white space from the start and end of a string. The trim () method creates a new string. trim () takes no arguments. This method is added at the end of a string.

Here is the syntax of the trim () method:

removes all spaces from the beginning and end of our string. There are only spaces at the end of our string, this are the only characters removed. trim () returns a new string. JavaScript strings are immutable, so they cannot be changed.

It is common to find a string that begins or ends with one of the unnecessary spaces. The spaces of spaces, tabs and jumps online.

Cropping strings can come in handy in a variety of situations.

For example, suppose you have a preformatted text string that includes spaces. you may need to remove these spaces for the code to work as expected. To learn more about formatting strings, see our JavaScript interpolation string .

Crop JavaScript () example

Here is an example of JavaScript trim () function in action:

the trim () removes characters from the white space at the end of our string. trim () does not change our original string. If we wanted to store our string in its split form, we would have to create a new variable to store our string:

Our code returns: Benjamin. Now our cut student name is stored in the trimmedStudentName variable. You can refer to the chain all along our program by using this switch.

Additional JavaScript Methods ()

It is important to note that the trim () function removes spaces from both the beginning and end of a string.

If you want to remove spaces only at the beginning or end of a string, you should not use the trim () function. There are custom functions that you can use for this purpose.

Suppose we want to remove leading spaces from a string. You can do this using trimStart () or trimLeft (). If you want to remove spaces at the end of a string, you can use trimEnd () or trimRight ().

JavaScript trimStart () and trimLeft ()

Suppose you want to remove the space from the start of a string. We have a name and we want to remove some space characters from that name. Here’s an example of trimStart () and trimLeft () in action to help us do that:

Our code returns:

Note that our code does not remove spaces from the start of our string because we used the TrimStart () and TrimLeft ().

JavaScript trimEnd () and trimRight ()

Similarly, let’s say we want to remove the space at the end of our string. We could use the TrimEnd () or TrimRight () methods to do this:

Our code returns:

We managed to remove the spaces at the end of our string. But the white spaces at the start of the string remains.

Conclusion

The JavaScript trim () function removes leading and trailing spaces from a string. trim () is appended to the end of a string. The method accepts no arguments.

You can remove spaces from specific ends of a string using the TrimStart (), TrimLeft (), TrimEnd (), and TrimRight () methods.

Want to learn more about JavaScript ? Read our Guide on how to learn JavaScript . You’ll find expert tips for learning JavaScript, as well as pointers to the best online learning courses and resources.

We hope this article has helped you to resolve the problem. Apart from Javascript Trim, check other __main__ Python module-related topics.