Function _fnGetMaxLenString

external/.datatables.js:5086–5118

* Get the maximum strlen for each data column * @param {object} settings dataTables settings object * @param {int} colIdx column of interest * @returns {string} string of the max length * @memberof DataTable#oApi

(settings, colIdx)

	 *  @memberof DataTable#oApi
	 */
	function _fnGetMaxLenString(settings, colIdx) {
		var column = settings.aoColumns[colIdx]

		if (!column.maxLenString) {
			var s,
				max = "",
				maxLen = -1

			for (var i = 0, ien = settings.aiDisplayMaster.length; i < ien; i++) {
				var rowIdx = settings.aiDisplayMaster[i]
				var data = _fnGetRowDisplay(settings, rowIdx)[colIdx]

				var cellString = data && typeof data === "object" && data.nodeType ? data.innerHTML : data + ""

				// Remove id / name attributes from elements so they
				// don't interfere with existing elements
				cellString = cellString.replace(/id=".*?"/g, "").replace(/name=".*?"/g, "")

				s = _stripHtml(cellString).replace(/&nbsp;/g, " ")

				if (s.length > maxLen) {
					// We want the HTML in the string, but the length that
					// is important is the stripped string
					max = cellString
					maxLen = s.length
				}
			}

			column.maxLenString = max
		}

		return column.maxLenString
	}

	/**
	 * Append a CSS unit (only if required) to a string