What is Join in jQuery

Question

What is Join   in jquery  for example   var newText      p   text   split      join   lt  span gt   lt span gt

User · Answer

A practical example using a jQuery example might be

 var today = new Date();
 $('#'+[today.getMonth()+1, today.getDate(), today.getFullYear()].join("_")).whatever();

I do that in a calendar tool that I am using, this way on the page load, I can do certain things with today's date.

User · Answer

That s not a jQuery function - it s the regular Array join function   It converts an array to a string  putting the argument between each element

User · Answer

You would probably use your example like this  var newText     lt span gt        p   text   split      join   lt  span gt   lt span gt        lt  span gt      This will put span tags around all the words in you paragraphs  turning   lt p gt Test is a demo  lt  p gt    into   lt p gt  lt span gt Test lt  span gt   lt span gt is lt  span gt   lt span gt a lt  span gt   lt span gt demo  lt  span gt  lt  p gt    I do not know what the practical use of this could be

User · Answer

The practical use of this construct  It is a javascript replaceAll   on strings   var s    stackoverflow is cool     s   s split      join         console log s     will output   stackoverflow is cool

User · Answer

join is not a jQuery function  Its a javascript function   The join   method joins the elements of an array into a string  and returns the string The elements will be separated by a specified separator  The default separator is comma       http   www w3schools com jsref jsref join asp

User · Answer

I use join to separate the word in array with  and  or        amp     EXAMPLE  HTML   lt p gt London Mexico Canada lt  p gt   lt div gt  lt  div gt    JS   newText      p   text   split      join   or         div   text newText     Results  London or Mexico or Canada

[jquery] What is Join() in jQuery?

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