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How to avoid 'cannot read property of undefined' errors?
...
Update:
If you use JavaScript according to ECMAScript 2020 or later, see optional chaining.
TypeScript has added support for optional chaining in version 3.7.
// use it like this
obj?.a?.lot?.of?.properties
Solution for JavaScript before ...
ng-repeat :filter by single field
...n:
html
<div ng-repeat="product in products | filter: myFilter">
javascript
$scope.myFilter = function (item) {
return item === 'red' || item === 'blue';
};
Alternatively, you can use ngHide or ngShow to dynamically show and hide elements based on a certain criteria.
...
bootstrap popover not showing on top of all elements
...-container="body" title="first tooltip">
hover over me
</a>
JavaScript example:
$('your element').tooltip({ container: 'body' })
Discovered from this link: https://github.com/twitter/bootstrap/issues/5889
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How to set value of input text using jQuery
... your $(document).ready function? place alert there: <script type="text/javascript" language="javascript"> alert('entered'); $(function () {$('#EmployeeId').val("fgg"); }); </script>
– karaxuna
May 16 '12 at 13:08
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Daylight saving time and time zone best practices [closed]
... using Perl, use DateTime.
If using Python, use pytz or dateutil.
If using JavaScript, use moment.js with the moment-timezone extension.
If using PHP > 5.2, use the native time zones conversions provided by DateTime, and DateTimeZone classes. Be careful when using DateTimeZone::listAbbreviations(...
Creating a div element in jQuery [duplicate]
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@halfer vice versa then, use single quotes in javascript for selectors and any appended html with double quotes.
– Ricki
Oct 22 '11 at 18:04
72
...
disable textbox using jquery?
...ox1" />
<input type="checkbox" id="checkbox1" />
</div>
Javascript
$("#radiobutt input[type=radio]").each(function(i){
$(this).click(function () {
if(i==2) { //3rd radiobutton
$("#textbox1").attr("disabled", "disabled");
$("#checkbox1").attr...
How to do if-else in Thymeleaf?
...
ok but..how do i invoke a javascript based on the type of customer(i.e anonymous or logged in)...
– Lucky
Jan 2 '13 at 11:38
1
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Returning JSON from a PHP Script
... // will encode to JSON array: ["a","b","c"]
// accessed as example in JavaScript like: result[1] (returns "b")
} else {
$data = [ 'name' => 'God', 'age' => -1 ];
// will encode to JSON object: {"name":"God","age":-1}
// accessed as example in JavaScript like: result.name or ...
Iteration ng-repeat only X times in AngularJs
How can I use ng-repeat like for in Javascript?
7 Answers
7
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