JQuery $.fn Method Extension ~

The following code immediately follows the introduction of the Jquery.js code

<script type= "Text/javascript" >

$ (function () {

Extended MyName Method This method is similar to the default check string from start to end: # This is the topic # Effect

$.fn.myname (function (start, end) {

var txtstr= $ (this). Get (0);

if (txtstr==null) {return;}

else if (txtstr. Setselectionrange) {

Txtstr.focus ();

Txtstr.createtextrange (start, end);

}

else if (txtstr. createTextRange) {

var txt = txtstr.createtextrange ();

Txt.collapse (TRUE);

Txt.moveend (' character ', end);

Txt.movestart (' character ', start);

Txt.select ();

}

else if (txtstr. SelectionStart) {

Txtstr.selectionstart=start;

Txtstr.selectionend=end;

}

})

})

</script>

———— the above code for the jquery extension ————

———— the following to use the extension method ————

$ (#id). Click (function () {

This means assigning a text box with ID ID "#请输入话题 #" and selecting "Please enter a topic" That is: # Please enter a topic #效果

$ (#id). Val (' #请输入话题 # ') myName (1,6);//starting from 1 to sixth (excluding 6th)

})

JQuery $.fn Method Extension ~