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I want to call this method named 'prototype' but I don't know how to call it.(last method)
enter image description here
how should I call this method?
I tried .[[Prototype]] .Prototype .prototype and ...
You can access the Prototype property like so:
Object.getPrototypeOf(myObject)
Make sure myObject is defined before you call this.
See https://developer.mozilla.org/en-US/docs/Learn/JavaScript/Objects/Object_prototypes for more information.
If you are not expecting the Prototype property in this object, please describe what your code is doing and provide snippets related to the bug.
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I have in my JS code, some lines with binde, what is it? Why is it working and what does it mean?
On example with, type="checkbox":
if (document.binde.nameofthecheckbox.checked)
{
//...its true whens checked and do the code
}
or
somevar = document.binde.somehtmltagname.value;
somevar gets the value of "somehtmltagname"
No one can answer me, I only heard "never seen something like that before". I would be happy to know what it is, and not only using it because it works.
It is not well known, but document might define HTML elements with id specified as document[HTMLElement.ID] as such, if there is an <input id="binde"> on the page, it will point to that.
If not, try logging it:
console.log(document.binde)
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So, I have an array with 200 items called "icone", and when I use this code:
icone.attr('src', 'img/known.svg');
All items change according to what is in the code.
But how do I do if I want to change only 1 of the items in this array, and not all 200?
I tried with:
icone[0].attr('src', 'img/known.svg');
But the console returned "icone[0].attr is not a function".
Any ideas on how to make this work?
Thanks!
If it is absolutely necessary to use jQuery in this case. You can do this:
$(icone[0]).attr('src', 'img/known.svg');
In case it is not, you can do it as the other answers say.
Once you do icone[0], you're dealing with a raw node, not a jQuery "wrapper." That raw element does not have an .attr function.
As Ouroborus suggests, just set the attribute directly by doing icone[0].src = ....
(If Ouroborus submits an answer in addition to their comment, you should mark it as accepted, not this answer. I just wanted to explain why what you're doing doesn't work.)
EDIT: Interestingly, icone.first().attr(...) does work, because it does wrap the first element with a jQuery wrapper.
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I looked below code in blog cause i wanna know about this.
When i copy & paste this code and then execute that.
The result is different.
The result of bike is undefined. But i dont know why result is different.
That is so because , global scope in browser and nodejs are different. When you declare a var in browser , variable is attached to global scope and can be accessed by this operator. Where as it is not the case with nodejs.
So if you copy paste and run this code in browser it would work as expected.
More clarification
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I m working with balloon pop up which will invoke for currently running test case, I need to pass the current test case name to that balloon popup.I tried with browser.currentTest but it is returning [object, object]. Is there any other way of retrieving the current test case name,if so can someone help me in retrieving the current test case name. Thanks in advance.
Try
browser.currentTest.module
In nightwatch, you have access to the name of the currentTest using .module. It's not in the docs, it just came up by logging
var keys = Object.keys(client.currentTest)
to the console like:
console.log(keys)
from the base test class. Adding that to the prototype isn't even necessary as it's available in any test. "module" is a property of the Test object in Nightwatch.
Also note that, from experience, the seemingly inaptly named browser.currentTest.name is not what you want. It's an array of numbers whose purpose I have yet to deduce...
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I am asking this question because it is difficult to search/google it.
Sometimes in javascript, I want to debug things. I am writing alert(var); or console.log(variable); but very often I get something like this:
[object][Object]
If I don't know what object it is I have hard time guessing what properties it has. What are ways of painless debugging this type of objects? And by the way, what debugging methods do you recommend?
I know it is duplication, sorry for this. Answers I found so far were not satisfying.
edit
myObj = {myObjProp: objVal}
Ok. alert(myObj); => [object][object]. Is there a method that would allow me to alert a real object like alert(exampleMethod(myObj)); => {myObjProp: objVal} ?
If you use alert to print an object, then that object would be converted into a primitive value (string) before displaying. So for instance toPrimitive({}) would be [object Object]. That is why you have to use console.log(object) while debugging your code.
Just use the debugger statement.
and access it from the console
function potentiallyBuggyCode() {
debugger;
// do potentially buggy stuff to examine, step through, etc.
}