This question already has answers here:
Object property name as number
(6 answers)
Closed 4 years ago.
I add This code to my page and I want to complete city when user tap a zipcode
and my alert dosen't show
var obj = {
"01400": "ABERGEMENT-CLÉMENCIAT",
"01640": "ABERGEMENT-DE-VAREY",
"01500": "AMBÉRIEU-EN-BUGEY",
"01330": "AMBÉRIEUX-EN-DOMBES",
"01300": "AMBLÉON",
"01500": "AMBRONAY",
"01500": "AMBUTRIX",
"01300": "ANDERT-ET-CONDON",
"01350": "ANGLEFORT",
"01100": "APREMONT",
"01110": "ARANC",
"01230": "ARANDAS",
"01100": "ARBENT",
"01300": "ARBIGNIEU",
"01190": "ARBIGNY"
};
var myVariable = obj .01400;
alert(myVariable);
Firstly, there is no key named 97433 in your object
Secondly, even if there was you cannot use property accesors with object keys which begin with a number. You need to use bracket notation.
Lastly, use console.log() for debugging as alert() coerces types and blocks the UI logic.
var myVariable = obj['97433'];
console.log(myVariable);
Related
This question already has answers here:
How to use a variable for a key in a JavaScript object literal?
(16 answers)
Closed 4 years ago.
I am making a shopping cart via javascript/jQuery and I am using localStorage. However, I am running into a problem setting the key value of an object. I created this function, but it has not been successful:
function update_aantal(e){
var value = $(e).parent().find(".form-aantal-val");
var size = $(e).closest('td').attr('class');
console.log(size);
valuepush = {
size: value.val()
};
var cart = JSON.parse(localStorage.getItem("src"));
$.extend(cart[0], valuepuch );
localStorage.setItem("src",JSON.stringify(cart));
}
The console.log(size) shows the correct value that I want to change/add into the localStorage but the size in the object valuepush says "size" when the function is complete and the value is added.
How can I pass the size as an object so that the value of size is stored?
var valuepush = {};
valuepush[size] = value.val();
This question already has answers here:
JavaScript object: access variable property by name as string [duplicate]
(3 answers)
Closed 4 years ago.
Hi guys I have just started learning to code and I have hit a road block in accessing the properties of the object I have created.
Here is my object.
var restaurantOrder = {
"my entree": "cheeseburger",
"my side": "fries",
"the drink": "water"
};
I would like to get the value of entree however nothing I am trying seems to work :(
Here is what I have tried.
var entreeValue = restaurantOrder.my entree;
var entreeValue = restaurantOrder[my entree];
var entreeValue = restaurantOrder.[my entree];
var entreeValue = restaurantOrder.["my entree"];
None of the above lines work :( Thank you for your help.
Because the properties of your restaurantOrder object have spaces, you will need to use [] to access them. You cannot use . like you can with a property name that is a single word.
Also, because of the spaces you will need to enclose the property name with quotes, so either:
var entreeValue = restaurantOrder["my entree"];
or
var entreeValue = restaurantOrder['my entree'];
will work.
This question already has answers here:
Accessing an object property with a dynamically-computed name
(19 answers)
Closed 6 years ago.
I'd like to take some user input and use it to find a certain object in an array. But when I try to do it with the code below, I get an undefined error. What am I doing wrong?
function findNextLevel() {
var currentLevel = parseFloat(document.getElementById("currentLevel").value);
var xpForLevel = trainerLevels.currentLevel;
document.getElementById("result01").innerHTML = xpForLevel;
}
I'm assuming that trainerLevels is an array and currentLevel is an index. If so, the way to access an element in an array at a certain index is to use brackets like so. Otherwise, could you provide more details in your question?
var xpForLevel = trainerLevels[currentLevel];
If this is the answer that you were looking for, then may I recommend that you use the parseInt rather than the parseFloat function for getting the index? And also, since it is user input, you may want to check that currentLevel is in the correct range as well.
This question already has answers here:
How can I get query string values in JavaScript?
(73 answers)
Closed 7 years ago.
I want to pass one value through ajax by taking the values from jQuery. But I am using link so I have problems taking the value. I tried the following,
<a id="addpa" class="ActionPopup" href="http://localhost:49951/admin/assignhome/Add?sPId=7">Add</a>
Jquery Code:
var spId = $("#addpa").prop("href"); // Here i am getting a whole Url
var thequerystring = getParameterByName("sPId");
The result is showing undefined. How to take the value of sPId? Give me ideas..
How to take the value of sPId?
Try using String.prototype.split() , Array.prototype.pop()
var spId = $("#addpa").prop("href").split(/=/).pop();
This question already has answers here:
Closed 10 years ago.
Possible Duplicate:
Access the first property of an object
I have a hash h decoded from JSON, and it contains only one entry. I don't care (and I don't need to know) about the key for this entry, but just want to get its corresponding value.
What is the fastest method?
It would be much, much nicer if you knew what the key was, but if not, this should work
var value;
for (var key in h){
value = h[key];
break;
}