how to get a value from a Sharepoint list with javascript

Question

i have the following code:

window.onload = function () {
    var setTime = /*this should go the number*/
    var fiveMinutes = 60 * setTime;
        display = document.querySelector('#timer2');
    startTimer(fiveMinutes, display);
};

what i want is var setTime to get the value or retrieve from list with column named testval the datatype for testval is number thanks all!

testval is a field in list it has a value of 15. i want setTime to be 15! — Nderon Hyseni
– Nderon Hyseni, Commented Nov 20, 2015 at 10:31

Life is good · Accepted Answer · 2015-11-20 17:49:30Z

2

To communicate with SharePoint you need to use the JavaScript client object model as follows:

 var ctx = new SP.ClientContext.get_current();
 var web = ctx.get_web();
 var listCollection = web.get_lists();
 var list = listCollection.getByTitle(NameOfYourList);
 var listItem = list.getItemById(TheItemID);
 context.load(listItem);

 context.executeQueryAsync(Function.createDelegate(this, this.onQuerySucceeded), Function.createDelegate(this, this.onQueryFailed));

and then

 function onQuerySucceeded() {
 var setTime =  listItem.get_item('testval');
 //continue your work
}

 function onQueryFailed(sender, args) {
 alert('failed');
}

Remember to reference SP.js script tag:

 <SharePoint:ScriptLink Name="SP.js" runat="server" OnDemand="true" Localizable="false" ></SharePoint:ScriptLink>

answered Nov 20, 2015 at 17:49

Life is good

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1 Comment

Life is good Over a year ago

Glad to help. you can accept answer if it works please.

Andrew Evt · Accepted Answer · 2015-11-20 10:59:30Z

2

if it's a td elem like this <td name="testval">15</td>:

window.onload = function () {
   var testval = document.getElementsByName('testval')[0]; // if it's the first elem with this name
   //var testval = $('td[name=testval]'); // jquery
   var setTime = parseInt(testval.innerHTML); // 15
   var fiveMinutes = 60 * setTime;

   display = document.querySelector('#timer2');
   startTimer(fiveMinutes, display);
};

jsFiddle for you - http://jsfiddle.net/y02os529/

answered Nov 20, 2015 at 10:59

Andrew Evt

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