Description

The trim() method returns a string stripped of whitespace from both ends.

This method has the form:

string.trim()

Note: This method does not change the value of the string itself.

Examples

The following example shows the basic use of this method.

<script>
  var s = "  Hello from JavaScript  ";
  document.write("'" + s.trim() + "'");
</script>

This produces the following result:

Firefox	IE	Chrome	Opera	Safari
3.5	9.0	10.0	10.5	5.0

This form was added in version: 1.8.1

The trimLeft() method returns a string stripped of whitespace from both ends.

This method has the form:

string.trimLeft()

Note: This method does not change the value of the string itself.

The following example shows the basic use of this method.

<script>
var s = "  Hello from JavaScript  ";
document.write("'" + s.trimLeft() + "'");
</script>

This produces the following result:

Firefox	IE	Chrome	Opera	Safari

This form was added in version: 1.8.1

The trimRight() method returns a string stripped of whitespace from the right end of the string.

This method has the form:

string.trimRight()

Note: This method does not change the value of the string itself.

The following example shows the basic use of this method.

<script>
var s = "   Hello from JavaScript   ";
document.write("'" + s.trimRight() + "'");
</script>

This produces the following result:

Firefox	IE	Chrome	Opera	Safari

This form was added in version: 1.8.1