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jQuery trigger file input
...: 0.0; /* Safari 1.x */
-moz-opacity: 0.0; /* FF lt 1.5, Netscape */
}
JavaScript:
$(document).ready(function() {
$('#myfile').change(function(evt) {
alert($(this).val());
});
});
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How to get all options of a select using jQuery?
...
None of the JavaScript operations require jQuery. jQuery is a matter of choice to simplify JS operations.
– ruuter
Feb 12 '14 at 11:14
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Converting a JS object to an array using jQuery
My application creates a JavaScript object, like the following:
18 Answers
18
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uncaught syntaxerror unexpected token U JSON
... lets say i have a JSON STRING ..NOT YET A JSON OBJECT OR ARRAY.
so if in javascript u parse the string as
var body={
"id": 1,
"deleted_at": null,
"open_order": {
"id": 16,
"status": "open"}
var jsonBody = JSON.parse(body.open_order); //HERE THE ERROR NOW APPEARS BECAUSE THE STRING...
Is there a string math evaluator in .NET?
...t discovered that allows evaluation of an expression by calling out to the Javascript engine:
double result = (double) HtmlPage.Window.Eval("15 + 35");
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How do you automatically set text box to Uppercase?
...ercase (which in most cases shouldn't be). There's no other way than using JavaScript.
– tomericco
Mar 22 '16 at 19:05
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maxlength ignored for input type=“number” in Chrome
...length. Please see the below code.
<input name="somename"
oninput="javascript: if (this.value.length > this.maxLength) this.value = this.value.slice(0, this.maxLength);"
type = "number"
maxlength = "6"
/>
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HTML input file selection event not firing upon selecting the same file
...file is prefixed with 'C:\fakepath\'. That's a security feature preventing JavaScript from knowing the file's absolute path. The browser still knows it internally.
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How to go from Blob to ArrayBuffer
.../ arrayEqual from: http://stackoverflow.com/questions/3115982/how-to-check-javascript-array-equals
function arrayEqual(a, b) { return !(a<b || b<a); };
if (arrayBufferNew.byteLength !== arrayBuffer.byteLength) // should be 3
console.warn("ArrayBuffer byteLength does not match")...
jQuery Selector: Id Ends With?
...e: In Visual Studio, Intellisense will yell at you for putting ASP tags in JavaScript. You can ignore this as the result is valid JavaScript.