Cliche onBlur event and onfocus event of js

2021-07-02 23:12:56
OfStack

The onFocus event is the event that occurs when the cursor falls in a text box.

The onBlur event is an event that occurs when the cursor loses focus.

You can make up the following examples

1.html


<HTML> 
<HEAD> 
<TITLE> Use onBlur Event handler </TITLE> 
</HEAD> 
<BODY BGCOLOR="lavender"> 
<FORM name="F1"> 
<INPUT TYPE=text NAME=text1 value="1111ONBLUR_green" ONBLUR="(document.bgColor='green')"> 
<INPUT TYPE=text NAME=text2 value="2222ONBLUR_black" ONBLUR="(document.bgColor='black')"> 
<INPUT TYPE=text NAME=text2 value="3333ONBLUR_yellow" ONBLUR="(document.bgColor='yellow')"> 
<br>
<p>
<INPUT TYPE=text NAME=text3 value="4444onfocus_blue" onfocus="(document.bgColor='blue')"> 
<INPUT TYPE=text NAME=text4 value="5555onfocus_red" onfocus="(document.bgColor='red')">
<INPUT TYPE=text NAME=text4 value="6666onfocus_orange" onfocus="(document.bgColor='orange')">
</FORM> 
</BODY> 
</HTML>

There are also the following examples

2.html


<!--  Document description: OnFocus Events  -->
 <!-- ------------------------------ -->
 <html>
 <head>
 <title>OnFocus Events </title>
 </head>
 <body>
 <Form>

 <input type="text" name="test1" value="test1" onclick=alert(" You can turn it off !")> 
 <input type="text" name="test1" value="test1" onblur=alert(" You can turn it off aaaaaaa!")>

 <input type="text" name="test1" value="test1" onclick=alert(" You can turn it off bbbbbbbbb!")> 
 <input type="text" name="test2" value="1 I can't turn it off if I press it, haha" onFocus=alert(" I became the focus of input !")>
 </Form>
 </body>
 </html>