update,
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louiscklaw
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/*
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* jQuery table2excel - v1.1.2
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* jQuery plugin to export an .xls file in browser from an HTML table
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* https://github.com/rainabba/jquery-table2excel
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*
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* Made by rainabba
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* Under MIT License
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*/
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//table2excel.js
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(function ( $, window, document, undefined ) {
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var pluginName = "table2excel",
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defaults = {
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exclude: ".noExl",
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name: "Table2Excel",
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filename: "table2excel",
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fileext: ".xls",
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exclude_img: true,
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exclude_links: true,
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exclude_inputs: true,
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preserveColors: false
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};
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// The actual plugin constructor
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function Plugin ( element, options ) {
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this.element = element;
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// jQuery has an extend method which merges the contents of two or
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// more objects, storing the result in the first object. The first object
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// is generally empty as we don't want to alter the default options for
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// future instances of the plugin
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//
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this.settings = $.extend( {}, defaults, options );
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this._defaults = defaults;
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this._name = pluginName;
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this.init();
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}
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Plugin.prototype = {
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init: function () {
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var e = this;
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var utf8Heading = "<meta http-equiv=\"content-type\" content=\"application/vnd.ms-excel; charset=UTF-8\">";
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e.template = {
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head: "<html xmlns:o=\"urn:schemas-microsoft-com:office:office\" xmlns:x=\"urn:schemas-microsoft-com:office:excel\" xmlns=\"http://www.w3.org/TR/REC-html40\">" + utf8Heading + "<head><!--[if gte mso 9]><xml><x:ExcelWorkbook><x:ExcelWorksheets>",
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sheet: {
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head: "<x:ExcelWorksheet><x:Name>",
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tail: "</x:Name><x:WorksheetOptions><x:DisplayGridlines/></x:WorksheetOptions></x:ExcelWorksheet>"
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},
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mid: "</x:ExcelWorksheets></x:ExcelWorkbook></xml><![endif]--></head><body>",
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table: {
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head: "<table>",
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tail: "</table>"
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},
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foot: "</body></html>"
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};
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e.tableRows = [];
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// Styling variables
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var additionalStyles = "";
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var compStyle = null;
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// get contents of table except for exclude
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$(e.element).each( function(i,o) {
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var tempRows = "";
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$(o).find("tr").not(e.settings.exclude).each(function (i,p) {
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// Reset for this row
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additionalStyles = "";
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// Preserve background and text colors on the row
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if(e.settings.preserveColors){
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compStyle = getComputedStyle(p);
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additionalStyles += (compStyle && compStyle.backgroundColor ? "background-color: " + compStyle.backgroundColor + ";" : "");
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additionalStyles += (compStyle && compStyle.color ? "color: " + compStyle.color + ";" : "");
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}
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// Create HTML for Row
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tempRows += "<tr style='" + additionalStyles + "'>";
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// Loop through each TH and TD
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$(p).find("td,th").not(e.settings.exclude).each(function (i,q) { // p did not exist, I corrected
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// Reset for this column
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additionalStyles = "";
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// Preserve background and text colors on the row
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if(e.settings.preserveColors){
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compStyle = getComputedStyle(q);
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additionalStyles += (compStyle && compStyle.backgroundColor ? "background-color: " + compStyle.backgroundColor + ";" : "");
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additionalStyles += (compStyle && compStyle.color ? "color: " + compStyle.color + ";" : "");
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}
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var rc = {
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rows: $(this).attr("rowspan"),
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cols: $(this).attr("colspan"),
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flag: $(q).find(e.settings.exclude)
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};
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if( rc.flag.length > 0 ) {
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tempRows += "<td> </td>"; // exclude it!!
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} else {
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tempRows += "<td";
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if( rc.rows > 0) {
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tempRows += " rowspan='" + rc.rows + "' ";
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}
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if( rc.cols > 0) {
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tempRows += " colspan='" + rc.cols + "' ";
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}
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if(additionalStyles){
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tempRows += " style='" + additionalStyles + "'";
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}
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tempRows += ">" + $(q).html() + "</td>";
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}
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});
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tempRows += "</tr>";
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});
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// exclude img tags
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if(e.settings.exclude_img) {
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tempRows = exclude_img(tempRows);
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}
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// exclude link tags
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if(e.settings.exclude_links) {
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tempRows = exclude_links(tempRows);
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}
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// exclude input tags
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if(e.settings.exclude_inputs) {
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tempRows = exclude_inputs(tempRows);
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}
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e.tableRows.push(tempRows);
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});
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e.tableToExcel(e.tableRows, e.settings.name, e.settings.sheetName);
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},
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tableToExcel: function (table, name, sheetName) {
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var e = this, fullTemplate="", i, link, a;
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e.format = function (s, c) {
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return s.replace(/{(\w+)}/g, function (m, p) {
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return c[p];
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});
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};
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sheetName = typeof sheetName === "undefined" ? "Sheet" : sheetName;
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e.ctx = {
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worksheet: name || "Worksheet",
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table: table,
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sheetName: sheetName
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};
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fullTemplate= e.template.head;
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if ( $.isArray(table) ) {
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Object.keys(table).forEach(function(i){
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//fullTemplate += e.template.sheet.head + "{worksheet" + i + "}" + e.template.sheet.tail;
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fullTemplate += e.template.sheet.head + sheetName + i + e.template.sheet.tail;
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});
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}
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fullTemplate += e.template.mid;
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if ( $.isArray(table) ) {
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Object.keys(table).forEach(function(i){
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fullTemplate += e.template.table.head + "{table" + i + "}" + e.template.table.tail;
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});
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}
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fullTemplate += e.template.foot;
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for (i in table) {
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e.ctx["table" + i] = table[i];
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}
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delete e.ctx.table;
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var isIE = navigator.appVersion.indexOf("MSIE 10") !== -1 || (navigator.userAgent.indexOf("Trident") !== -1 && navigator.userAgent.indexOf("rv:11") !== -1); // this works with IE10 and IE11 both :)
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//if (typeof msie !== "undefined" && msie > 0 || !!navigator.userAgent.match(/Trident.*rv\:11\./)) // this works ONLY with IE 11!!!
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if (isIE) {
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if (typeof Blob !== "undefined") {
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//use blobs if we can
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fullTemplate = e.format(fullTemplate, e.ctx); // with this, works with IE
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fullTemplate = [fullTemplate];
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//convert to array
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var blob1 = new Blob(fullTemplate, { type: "text/html" });
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window.navigator.msSaveBlob(blob1, getFileName(e.settings) );
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} else {
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//otherwise use the iframe and save
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//requires a blank iframe on page called txtArea1
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txtArea1.document.open("text/html", "replace");
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txtArea1.document.write(e.format(fullTemplate, e.ctx));
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txtArea1.document.close();
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txtArea1.focus();
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sa = txtArea1.document.execCommand("SaveAs", true, getFileName(e.settings) );
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}
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} else {
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var blob = new Blob([e.format(fullTemplate, e.ctx)], {type: "application/vnd.ms-excel"});
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window.URL = window.URL || window.webkitURL;
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link = window.URL.createObjectURL(blob);
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a = document.createElement("a");
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a.download = getFileName(e.settings);
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a.href = link;
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document.body.appendChild(a);
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a.click();
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document.body.removeChild(a);
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}
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return true;
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}
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};
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function getFileName(settings) {
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return ( settings.filename ? settings.filename : "table2excel" );
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}
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// Removes all img tags
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function exclude_img(string) {
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var _patt = /(\s+alt\s*=\s*"([^"]*)"|\s+alt\s*=\s*'([^']*)')/i;
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return string.replace(/<img[^>]*>/gi, function myFunction(x){
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var res = _patt.exec(x);
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if (res !== null && res.length >=2) {
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return res[2];
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} else {
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return "";
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}
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});
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}
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// Removes all link tags
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function exclude_links(string) {
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return string.replace(/<a[^>]*>|<\/a>/gi, "");
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}
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// Removes input params
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function exclude_inputs(string) {
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var _patt = /(\s+value\s*=\s*"([^"]*)"|\s+value\s*=\s*'([^']*)')/i;
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return string.replace(/<input[^>]*>|<\/input>/gi, function myFunction(x){
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var res = _patt.exec(x);
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if (res !== null && res.length >=2) {
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return res[2];
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} else {
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return "";
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}
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});
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}
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$.fn[ pluginName ] = function ( options ) {
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var e = this;
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e.each(function() {
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if ( !$.data( e, "plugin_" + pluginName ) ) {
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$.data( e, "plugin_" + pluginName, new Plugin( this, options ) );
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}
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});
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// chain jQuery functions
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return e;
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};
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})( jQuery, window, document );
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