How to realize the prompt message when entering TEXT text box by jQuery
This article mainly introduces jQuery how to achieve TEXT text box input tips, has a certain reference value, interested friends can refer to, I hope you can learn a lot after reading this article, the following let Xiaobian with you to understand.
In the search box, enter the prompt information in the previous box, and the text box will automatically disappear after it gets the focus. The effect is as follows:
The effect of placing the mouse over the text box:
Create a utility class (no need to create it if it already exists) Util.js (JS of DWR)
Add the following methods to it:
Js code
/ * *
* the gray prompt in the Input box. Introduce jquery before using it.
*
How to use it:
*
* @ return
, /
Function inputTipText () {
$("input [tipMsg]") .each (function () {
If ($(this) .val () = "") {
Var oldVal=$ (this) .attr ("tipMsg")
If ($(this). Val () = "") {$(this) .attr ("value", oldVal) .css ({"color": "# 888"});}
$(this)
.css ({"color": "# 888"}) / / Gray
.focus (function () {)
If ($(this). Val ()! = oldVal) {$(this) .css ({"color": "# 000"})} else {$(this) .val (") .css ({" color ":" # 888 "})}
})
.blur (function () {)
If ($(this). Val () = "") {$(this) .val (oldVal) .css ({"color": "# 888"})}
})
.keydown (function () {$(this) .css ({"color": "# 000"})})
}
});
}
two。 Usage
For use on a page (jsp), load the jQuery and Util utility classes first
The code is as follows:
Jsp code
test
$(function () {)
InputTipText (); / / initialize the gray prompt for Input
});
This can be achieved, very good results, if you dynamically add TEXT on the current page, just call the JS method again.
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