Cannot read properties of undefined (reading ‘ajax‘)； Cannot read property ‘ajax‘ of undefined
Sending requests using ajax in jQuery. it report an error: Cannot read properties of undefined (reading 'ajax'); Cannot read property 'ajax' of undefined
Codes that report an error:
$.ajax({
type:"POST",
url:"pageServlet",
data:jsonData,
dataType:"json",
success:function (data) {
alert(data);
}
})
Solution: Change $ to jQuery
jQuery.ajax({
type:"POST",
url:"pageServlet",
data:jsonData,
dataType:"json",
success:function (data) {
alert(data);
}
})Read More:
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