diff --git a/dist/js/widgets/widget-math.min.js b/dist/js/widgets/widget-math.min.js
index acb655ba..5d27bb76 100644
--- a/dist/js/widgets/widget-math.min.js
+++ b/dist/js/widgets/widget-math.min.js
@@ -6,4 +6,4 @@
* (c)2011 ecava
* Dual licensed under the MIT or GPL Version 2 licenses.
*/
-b.formatMask=function(a,b,c,d){if(!a||isNaN(+b))return b;var e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t,u,v,w,x="",y="";if(s=a.length,t=a.search(/[0-9\-\+#]/),u=t>0?a.substring(0,t):"",x=u,t>0&&c&&(x=/\{content\}/.test(c||"")?(c||"").replace(/\{content\}/g,u||""):(c||"")+u),w=a.split("").reverse().join(""),v=w.search(/[0-9\-\+#]/),q=s-v,q+="."===a.substring(q,q+1)?1:0,u=v>0?a.substring(q,s):"",y=u,""!==u&&d&&(y=/\{content\}/.test(d||"")?(d||"").replace(/\{content\}/g,u||""):u+(d||"")),a=a.substring(t,q),b="-"==a.charAt(0)?-b:+b,e=0>b?b=-b:0,f=a.match(/[^\d\-\+#]/g),g=f&&f[f.length-1]||".",h=f&&f[1]&&f[0]||",",a=a.split(g),b=b.toFixed(a[1]&&a[1].length),b=+b+"",j=a[1]&&a[1].lastIndexOf("0"),l=b.split("."),(!l[1]||l[1]&&l[1].length<=j)&&(b=(+b).toFixed(j+1)),m=a[0].split(h),a[0]=m.join(""),i=a[0]&&a[0].indexOf("0"),i>-1)for(;l[0].lengthq;q++)o+=n.charAt(q),!((q-p+1)%k)&&r-k>q&&(o+=h);b[0]=o}return b[1]=a[1]&&b[1]?g+b[1]:"",x+((e?"-":"")+b[0]+b[1])+y},b.equations={count:function(a){return a.length},sum:function(b){var c=0;return a.each(b,function(a){c+=b[a]}),c},mean:function(a){var c=b.equations.sum(a);return c/a.length},median:function(a){a.sort(function(a,b){return a-b});var b=Math.floor(a.length/2);return a.length%2?a[b]:(a[b-1]+a[b])/2},mode:function(a){if(0===a.length)return"none";var b,c,d={},e=1,f=[a[0]];for(b=0;be?(f=[c],e=d[c]):d[c]===e&&(f.push(c),e=d[c]);return f.sort(function(a,b){return a-b})},max:function(a){return Math.max.apply(Math,a)},min:function(a){return Math.min.apply(Math,a)},range:function(a){var b=a.sort(function(a,b){return a-b});return b[a.length-1]-b[0]},variance:function(a,c){for(var d=b.equations.mean(a),e=0,f=a.length;f--;)e+=Math.pow(a[f]-d,2);return e/=a.length-(c?0:1)},varp:function(a){return b.equations.variance(a,!0)},vars:function(a){return b.equations.variance(a)},stdevs:function(a){var c=b.equations.variance(a);return Math.sqrt(c)},stdevp:function(a){var c=b.equations.variance(a,!0);return Math.sqrt(c)}},b.addWidget({id:"math",priority:100,options:{math_data:"math",math_ignore:[],math_mask:"#,##0.00",math_complete:null,math_priority:["row","above","col"],math_prefix:"",math_suffix:"",math_event:"recalculate"},init:function(a,d,e,f){e.$table.off((c.events+" updateComplete.tsmath "+f.math_event).replace(/\s+/g," ")).on(c.events+" "+f.math_event,function(d){var g="tablesorter-initialized"===d.type;"updateAll"===d.type?b.computeColumnIndex(e.$table.children("tbody").children()):(!f.math_isUpdating||g)&&c.recalculate(a,e,f,g)}).on("updateComplete.tsmath",function(){setTimeout(function(){f.math_isUpdating=!1},500)}),f.math_isUpdating=!1},remove:function(b,d,e,f){f||a(b).off((c.events+" updateComplete.tsmath "+e.math_event).replace(/\s+/g," ")).find("[data-"+e.math_data+"]").empty()}})}(jQuery);
\ No newline at end of file
+b.formatMask=function(a,b,c,d){if(!a||isNaN(+b))return b;var e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t,u,v,w,x="",y="";if(s=a.length,t=a.search(/[0-9\-\+#]/),u=t>0?a.substring(0,t):"",x=u,t>0&&c&&(x=/\{content\}/.test(c||"")?(c||"").replace(/\{content\}/g,u||""):(c||"")+u),w=a.split("").reverse().join(""),v=w.search(/[0-9\-\+#]/),q=s-v,q+="."===a.substring(q,q+1)?1:0,u=v>0?a.substring(q,s):"",y=u,""!==u&&d&&(y=/\{content\}/.test(d||"")?(d||"").replace(/\{content\}/g,u||""):u+(d||"")),a=a.substring(t,q),b="-"==a.charAt(0)?-b:+b,e=0>b?b=-b:0,f=a.match(/[^\d\-\+#]/g),g=f&&f[f.length-1]||".",h=f&&f[1]&&f[0]||",",a=a.split(g),b=b.toFixed(a[1]&&a[1].length),b=+b+"",j=a[1]&&a[1].lastIndexOf("0"),l=b.split("."),(!l[1]||l[1]&&l[1].length<=j)&&(b=(+b).toFixed(j+1)),m=a[0].split(h),a[0]=m.join(""),i=a[0]&&a[0].indexOf("0"),i>-1)for(;l[0].lengthq;q++)o+=n.charAt(q),!((q-p+1)%k)&&r-k>q&&(o+=h);b[0]=o}return b[1]=a[1]&&b[1]?g+b[1]:"",x+((e?"-":"")+b[0]+b[1])+y},b.equations={count:function(a){return a.length},sum:function(b){var c=0;return a.each(b,function(a){c+=b[a]}),c},mean:function(a){var c=b.equations.sum(a);return c/a.length},median:function(a){a.sort(function(a,b){return a-b});var b=Math.floor(a.length/2);return a.length%2?a[b]:(a[b-1]+a[b])/2},mode:function(a){if(0===a.length)return"none";var b,c,d={},e=1,f=[a[0]];for(b=0;be?(f=[c],e=d[c]):d[c]===e&&(f.push(c),e=d[c]);return f.sort(function(a,b){return a-b})},max:function(a){return Math.max.apply(Math,a)},min:function(a){return Math.min.apply(Math,a)},range:function(a){var b=a.sort(function(a,b){return a-b});return b[a.length-1]-b[0]},variance:function(a,c){for(var d=b.equations.mean(a),e=0,f=a.length;f--;)e+=Math.pow(a[f]-d,2);return e/=a.length-(c?0:1)},varp:function(a){return b.equations.variance(a,!0)},vars:function(a){return b.equations.variance(a)},stdevs:function(a){var c=b.equations.variance(a);return Math.sqrt(c)},stdevp:function(a){var c=b.equations.variance(a,!0);return Math.sqrt(c)}},b.addWidget({id:"math",priority:100,options:{math_data:"math",math_ignore:[],math_mask:"#,##0.00",math_complete:null,math_priority:["row","above","col"],math_prefix:"",math_suffix:"",math_event:"recalculate"},init:function(a,d,e,f){e.$table.off((c.events+" updateComplete.tsmath "+f.math_event).replace(/\s+/g," ")).on(c.events+" "+f.math_event,function(d){var g="tablesorter-initialized"===d.type;(!f.math_isUpdating||g)&&(/filter/.test(d.type)||b.computeColumnIndex(e.$table.children("tbody").children()),c.recalculate(a,e,f,g))}).on("updateComplete.tsmath",function(){setTimeout(function(){f.math_isUpdating=!1},500)}),f.math_isUpdating=!1},remove:function(b,d,e,f){f||a(b).off((c.events+" updateComplete.tsmath "+e.math_event).replace(/\s+/g," ")).find("[data-"+e.math_data+"]").empty()}})}(jQuery);
\ No newline at end of file
diff --git a/docs/example-widget-math.html b/docs/example-widget-math.html
index c94a2a70..3405e49f 100644
--- a/docs/example-widget-math.html
+++ b/docs/example-widget-math.html
@@ -176,7 +176,12 @@
- - In v2.21.6, fixed an issue with a sum column encountering a cell without a defined "data-math" attribute returning an empty string instead of zero. See issue #873.
+ - In v2.21.6,
+
+ - Fixed an issue with a sum column encountering a cell without a defined "data-math" attribute returning an empty string instead of zero. See issue #873.
+ - Fixed a javascript error occurring on empty tables & now all updates will reapply column indexing to tbody cells - I know this isn't ideal as it would be slow on larger tables.
+
+
- In v2.19.1, added
math_event
option & fixed an issue with event unbinding in jQuery version < 1.9.
- In v2.17.1,
diff --git a/js/widgets/widget-math.js b/js/widgets/widget-math.js
index 7d456ac6..3fee40bf 100644
--- a/js/widgets/widget-math.js
+++ b/js/widgets/widget-math.js
@@ -395,12 +395,13 @@
init : function(table, thisWidget, c, wo){
c.$table
.off( (math.events + ' updateComplete.tsmath ' + wo.math_event).replace(/\s+/g, ' ') )
- .on(math.events + ' ' + wo.math_event, function(e){
+ .on(math.events + ' ' + wo.math_event, function(e) {
var init = e.type === 'tablesorter-initialized';
- if (e.type === 'updateAll') {
- // redo data-column indexes in case columns were rearranged
- ts.computeColumnIndex( c.$table.children('tbody').children() );
- } else if (!wo.math_isUpdating || init) {
+ if ( !wo.math_isUpdating || init ) {
+ if ( !/filter/.test(e.type) ) {
+ // redo data-column indexes on update
+ ts.computeColumnIndex( c.$table.children('tbody').children() );
+ }
math.recalculate( table, c, wo, init );
}
})