Passing argument through an onchange method in Javascript

Question

This might sound trivial but I require passing an argument through an onChange() method that I have created on a dynamic combo-box selection.

Method within which the Combobox is created

function createWhereClauseForm(elementID, fromNameSt,attributesNameArray,attributesDataTypeArray)   
{
   ...
   var attributesListed = '<select id="WhereAttributeCombo" onChange = "getSelectedAttribute($elementID)"><option value="voidopt">Select an attribute</option>';
   ...
}

This is what I've currently done passing the elementID using $elementID. But it does not work.

Any suggestions on how I could pass this elementID to the getSelectedAttribute method within the same script will be much appreciated.

var attributesListed = '<select id="WhereAttributeCombo" onChange = "getSelectedAttribute(' +elementID+')"><option value="voidopt">Select an attribute</option>' — kp singh
– kp singh, Commented Jul 18, 2017 at 6:42

Nina Scholz · Accepted Answer · 2017-07-18 06:42:12Z

1

You need to put the variable outside of the string.

... getSelectedAttribute(' + elementID + ')"><option ...
//                       ^^^^^^^^^^^^^^^^^

Complete line:

var attributesListed = '<select id="WhereAttributeCombo" onChange = "getSelectedAttribute(' + elementID + ')"><option value="voidopt">Select an attribute</option>';
//                                                                                          ^^^^^^^^^^^^^

answered Jul 18, 2017 at 6:42

Nina Scholz

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Saurabh Yadav · Accepted Answer · 2017-07-18 06:54:18Z

1

Currently you pass elementID as an string. You have to pass like

var attributesListed = '<select id="WhereAttributeCombo" onChange = "getSelectedAttribute(' + elementID +')"><option value="voidopt">Select an attribute</option>';

answered Jul 18, 2017 at 6:54

Saurabh Yadav

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