大约有 6,887 项符合查询结果（耗时：0.0274秒） [XML]
How do I programmatically set the value of a select box element using JavaScript?
...
Not answering the question, but you can also select by index, where i is the index of the item you wish to select:
var formObj = document.getElementById('myForm');
formObj.leaveCode[i].selected = true;
You can also loop through the items to select by display value with a loop:...
Handlebars/Mustache - Is there a built in way to loop through the properties of an object?
...d for external helpers.
How to use it
For arrays:
{{#each myArray}}
Index: {{@index}} Value = {{this}}
{{/each}}
For objects:
{{#each myObject}}
Key: {{@key}} Value = {{this}}
{{/each}}
Note that only properties passing the hasOwnProperty test will be enumerated.
...
How do you remove an array element in a foreach loop?
...
Note that indexed arrays with items unset may be represented as objects instead of arrays after a json_encode(). You can solve this with $display_related_tags = array_values ($display_related_tags); after the foreach loop.
...
Access object child properties using a dot notation string [duplicate]
...
//-> 99
Although there are answers that extend this to "allow" array index access, that's not really necessary as you can just specify numerical indexes using dot notation with this method:
getDescendantProp({ a: [ 1, 2, 3 ] }, 'a.2');
//-> 3
...
How to mock the Request on Controller in ASP.Net MVC?
... rq["Age"]).Returns("2001");
Usage in Controller :
public ActionResult Index()
{
var age = Request["Age"]; //This will return 2001
}
share
|
improve this answer
|
...
Disable/enable an input with jQuery?
... your code:
$.prototype.enable = function () {
$.each(this, function (index, el) {
$(el).removeAttr('disabled');
});
}
$.prototype.disable = function () {
$.each(this, function (index, el) {
$(el).attr('disabled', 'disabled');
});
}
And then you can write stuff li...
Adding values to a C# array
...pty array like you are suggesting and then try to access it's non existent indexes to set values, you'll get an OutOfRangeException as soon as you run the code. Arrays need to be initialized with the size you are going to use, they reserve all the space at the beginning, witch makes them very fast, ...
Can you get the column names from a SqlDataReader?
...
There is a GetName function on the SqlDataReader which accepts the column index and returns the name of the column.
Conversely, there is a GetOrdinal which takes in a column name and returns the column index.
share
...
Insert spaces between words on a camel-cased token [duplicate]
...s between the case changes)
string strOutput = "";
// The index of the current character in the input string
int intCurrentCharPos = 0;
// The index of the last character in the input string
int intLastCharPos = strInput.Length - 1;
// for every cha...
Can I apply the required attribute to fields in HTML5?
...at the user selects something.
In Javascript, you can check the selectedIndex property to get the index of the selected option, or you can check the value property to get the value of the selected option.
According to the HTML5 spec, selectedIndex "returns the index of the first selected item, i...