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Asynchronous Process inside a javascript for loop [duplicate]
...j = 10;
for (i = 0; i < j; i++) {
await asycronouseProcess();
alert(i);
}
Remember, this works only if asycronouseProcess is returning a Promise
If asycronouseProcess is not in your control then you can make it return a Promise by yourself like this
function asyncProcess() {
ret...
How to determine whether an object has a given property in JavaScript
...roperty, opts)) {
throw new Error("IllegalArgumentException");
}
alert("ok");
}
f({req1: 123}); // error
f({req1: 123, req2: 456}); // ok
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Pass parameters in setInterval function
...the "spread" operator
function repeater(param1, param2, param3){
alert(param1);
alert(param2);
alert(param3);
}
let input = [1,2,3];
setInterval(repeater,3000,...input);
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...
Customizing Bootstrap CSS template
... <link rel="stylesheet/less" href="/path/to/bootstrap.less">
<script src="/path/to/less.js"></script>
To recompile the .less files, just save them and reload your page. Less.js compiles them and stores them in local storage.
Or if you prefer to statically compile a new ...
How to bind Events on Ajax loaded Content?
...eated elements:
$(document).on("click", '.mylink', function(event) {
alert("new link clicked!");
});
This does actually work, here's an example where I appended an anchor with the class .mylink instead of data - http://jsfiddle.net/EFjzG/
...
Check if an element is a child of a parent
... = $(evt.target);
if (target.parent('div#hello').length) {
alert('Your clicked element is having div#hello as parent');
}
}
Or if you want to check to see if there are any ancestors that match, then use .parents().
Example: http://jsfiddle.net/6BX9n/1/
function fun(evt) {
...
How can I get jquery .val() AFTER keypress event?
...hange keypress to keyup:
$(someTextInputField).on("keyup", function() {
alert($(this).val());
});
keypress is fired when the key is pressed down, keyup is fired when the key is released.
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Formatting a number with exactly two decimals in JavaScript
...adays, you can use the Intl.NumberFormat constructor. It's part of the ECMAScript Internationalization API Specification (ECMA402). It has pretty good browser support, including even IE11, and it is fully supported in Node.js.
const formatter = new Intl.NumberFormat('en-US', {
minimumFraction...
How to replace all dots in a string using JavaScript
...urn this.split( token ).join( newToken );
}
}
return str;
};
alert('okay.this.is.a.string'.replaceAll('.', ' '));
Faster than using regex...
EDIT:
Maybe at the time I did this code I did not used jsperf. But in the end such discussion is totally pointless, the performance difference...
Convert object string to JSON
...n I convert a string that describes an object into a JSON string using JavaScript (or jQuery)?
20 Answers
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