Full selection of form check boxes using Javscript _ Javascript tutorial

Javscript: Javscript enables you to select all the form check boxes. In the Javascript tutorial, many people do not know how to select all the multiple selection boxes and write code. In fact, it is very simple. Here is the code and description. Please read it carefully.

The following is a reference clip: // Code Description (lulu163.com): form1 indicates the form name, memberId indicates the check box, And selectbutton indicates the Select All button. Function selectAll () { For (var I = 0; I Var temp = document. form1.memberId [I]; Temp. checked =! Temp. checked; } If (document. form1.selectButton. value = "select all ") { Document. form1.selectButton. value = "cancel all selections "; } Else { Document. form1.selectButton. value = "select all "; } } Script

Check box (an example)

　　

Select All button:

　　

From: Tianji