How to solve ngClick Fires Twice on Button

In html side <a our-click="save()">Save</a> In angularjs side(JavaScript) .directive('ourClick', function() {     return function(scope, element, attrs) {        event.stopPropagation();          selement.bind('touchstart click', function(event) {          event.preventDefault();         ...

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What is passing by reference & passing by value?

state = false; changeState(state){ state = true; } log(state); In the above code If we are passing by value, output is false If we are passing by reference, out put is true. See the simple example :...

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Difference tilde(~) & caret(^), when we download the packages

Tilde(~) : Tilde matches the most recent minor version (the middle number). ~1.1.1 will match all 1.1.x versions but will miss 1.2.0. Caret(^) : Caret matches the most recent major version (the first number). ^1.1.1 will match any 1.x.x release including 1.2.0, but will hold off on 2.0.0. Note: Just use 0.0.x instead of ~0.0.0. The first is less obscu...

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