Merge pull request #65 from zolrag13/zolrag13-readme_update_ignore_co…

…lumn_description

Update README.md

README.md

@@ -146,6 +146,9 @@ There is an extended setting for ``` jsPDF option 'format' ```. Setting the opti
 
 Also there is an extended setting for the ``` jsPDF-AutoTable options 'fillColor', 'textColor' and 'fontStyle'```. When setting these option values to ``` 'inherit' ``` the original css values for background and text color will be used as fill and text color while exporting to pdf. A css font-weight >= 700 results in a bold fontStyle and the italic css font-style will be used as italic fontStyle.
 
+```ignoreColumn``` can be either an array of indexes (i.e. [0, 2]) or field names (i.e. ["id", "name"]).
+* Indexes correspond to the position of the header elements `th` in the DOM starting at 0. (If the `th` elements are removed or added to the DOM, the indexes will be shifted so use the functionality wisely!)
+* Field names should correspond to the values set on the "data-field" attribute of the header elements `th` in the DOM.
 
 Optional html data attributes
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