Pro PHP and jQuery by Jason Lengstorf.pdf - Computer Science ...

$("#bar").text("This is new text.");
CHAPTER 2 ■ COMMON JQUERY ACTIONS AND METHODS
The previous content of the paragraph is removed, and the new text is inserted. Note that the span
tag was removed as well; all contents of an element are replaced when using .text() and .html().
To insert HTML into the paragraph, replace its contents again with the following snippet:
$("#bar").html("This is some HTML text.");
After execution, the new text appears in the paragraph and the word “HTML” appears in bold (see
Figure 2-16).
Figure 2-16. The browser after inserting text and HTML tags
.val()
Accessing and modifying the content of form elements is accomplished through the .val() method. This
method returns the value of an input, or if a value is supplied, sets the value of an input.
Retrieve the value of the submit button in your test form using the following:
$(":submit").val();
which outputs this:
>>> $(":submit").val();
"Log In"
Now, update the value of the submit input to read "Sign In" using this code:
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