Content summary
This section explains the basic functions of survey in SharePoint through examples (including how to create and use it) and focuses on how to use scripts (specifically JavaScript scripts) to customize some special effects of survey, such as limiting the number of choices among multiple options.
In addition to solving this problem, you can also have a better idea and understanding of SharePoint function customization.
Video address
Example Code
<SCRIPT src = ".../Siteassets/jquery-1.8.3.min.js" > </SCRIPT> <SCRIPT type = "Text/JavaScript" > $ ( Function () {$ ("Input [type = checkbox]" ). Click ( Function (){ // If the user attempts to select If ( This . Checked ){ // Determine whether two groups with the same name are selected VaR Table = $ ( This ). Parents ( "Table" ). First (); If ($ ( "Input [type = checkbox]: checked" , Table). Length = 3) {alert ( "Up to two options can be selected" );This . Checked = False ;}}}) ;}); </SCRIPT>