JS specify delimiter Join array element join ()

Specify delimiter join array element join ()

The join () method is used to put all the elements in an array into a string. The elements are delimited by the specified delimiter.

Grammar:

Arrayobject.join (delimiter)

Parameter description:

Note: Returns a string that strings the elements in the array, with the < delimiter > placed between elements and elements. This method does not affect the original contents of the array. We use the join () method to put all the elements of an array into a string with the following code:

<Scripttype= "Text/javascript">  varMyarr= NewArray (3); myarr[0] = "I"; myarr[1] = " Love"; myarr[2] = "JavaScript"; document.write (Myarr.join ());</Script>

Operation Result:

I,love,javascript

We will use separators to separate the elements in the array, with the following code:

<Scripttype= "Text/javascript">  varMyarr= NewArray (3) myarr[0] = "I"; myarr[1] = " Love"; myarr[2] = "JavaScript"; document.write (Myarr.join ("."));</Script>

Operation Result:

I.love.javascript

JS specify delimiter Join array element join ()