A JavaScript basics technique, according to a string of characters specified in the string, to get the word specifier left or right string, in this case, the e-mail as an example, it can get the user name of the mailbox, and the user name outside the character discarded, this example should be more practical.
<ptml> <pead> <meta http-equiv= "Content-type" content= "text/html; charset=gb2312 "/> <title>javascript intercept string </title> </pead> <body> <input id=" x "type=" Te XT "/> <input type=" button "onclick=" x () "Value=" Enter mail address, get user name "/> <script> function X () {var x=document.g Etelementbyid ("x"). value.tostring (); var c=x.split ("@"); document.getElementById ("x"). Value=c[0]; } </script> </body> </ptml>
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About the use of JS split is not much else to say what, the following direct examples for everyone to see
Copy Code code as follows:
<script language= "JavaScript" >
Str= "2,2,3,5,6,6"; This is a string
var strs= new Array (); Define an array
Strs=str.split (","); Character segmentation
for (i=0;i<strs.length; i++)
{
document.write (strs[i]+ "<br/>"); Character output after segmentation
}
</script>
The output result is
Copy Code code as follows:
JS Split is a string to a specific character into a number of strings, we should be a look to understand it.
