javascript - TypeError: 'undefined' is not an object (evaluating 'ev.touches.length') -


i have following error

typeerror: 'undefined' not object (evaluating 'ev.touches.length') line generates error 289 on jquery.hammer.js file:

// touch else if(sourceeventtype.match(/touch/)) {      count_touches = ev.touches.length; }

..

$('#detail').on('touchend', '.close', function (e) {     $('.detail-overlay').trigger('touchend'); // web inspector error starts here });

how fix problem?


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