we first need to get the login name of user and pass it to the get_effectiveBasePermissions method.
To ensure that user has edit permission, we will check the SP.PermissionKind.editListItems enum.
SP.SOD.executeFunc('sp.js', 'SP.ClientContext', function () {
getCurrentUserPermission();
});
function getCurrentUserPermission()
{
var web,clientContext,currentUser,oList,perMask;
clientContext = new SP.ClientContext.get_current();
web = clientContext.get_web();
currentUser = web.get_currentUser();
oList = web.get_lists().getByTitle('Test List');
clientContext.load(oList,'EffectiveBasePermissions');
clientContext.load(currentUser);
clientContext.load(web);
clientContext.executeQueryAsync(function(){
if (oList.get_effectiveBasePermissions().has(SP.PermissionKind.editListItems)){
console.log("user has edit permission");
}else{
console.log("user doesn't have edit permission");
}
}, function(sender, args){
console.log('request failed ' + args.get_message() + '\n'+ args.get_stackTrace());
});
}
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