JavaScript implements a method to output a square pattern of a specified number of lines _javascript tips

This article illustrates the way that JavaScript implements the output of a square pattern of a specified number of rows. Share to everyone for your reference. Specifically as follows:

The JavaScript implementation output specifies the number of lines of the square pattern: Click to generate patterns, there will be 2 prompts box, 1, input patterns of the composition of characters, can only be 1 characters Oh 2, enter the number of square lines, passing more than 10, will be set to 10 lines

<!
DOCTYPE HTML PUBLIC "-//w3c//dtd HTML 4.01 transitional//en" "Http://www.w3.org/TR/html4/loose.dtd" >  

Effect Chart:

Pattern characters: A, number of lines: 5

I hope this article will help you with your JavaScript programming.