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How to convert a string to number in TypeScript?
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Exactly like in JavaScript, you can use the parseInt or parseFloat functions, or simply use the unary + operator:
var x = "32";
var y: number = +x;
All of the mentioned techniques will have correct typing and will correctly parse simple d...
Remove multiple elements from array in Javascript/jQuery
I have two arrays. The first array contains some values while the second array contains indices of the values which should be removed from the first array. For example:
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JavaScript get window X/Y position for scroll
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Using pure javascript you can use Window.scrollX and Window.scrollY
window.addEventListener("scroll", function(event) {
var top = this.scrollY,
left =this.scrollX;
}, false);
Notes
The pageXOffset property is an alias...
Why does ++[[]][+[]]+[+[]] return the string “10”?
This is valid and returns the string "10" in JavaScript ( more examples here ):
9 Answers
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Is there a function to deselect all text using JavaScript?
Is there a function in javascript to just deselect all selected text? I figure it's got to be a simple global function like document.body.deselectAll(); or something.
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How to merge two arrays in JavaScript and de-duplicate items
I have two JavaScript arrays:
76 Answers
76
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How to convert string into float in JavaScript?
I am trying to parse two values from a datagrid. The fields are numeric, and when they have a comma (ex. 554,20), I can't get the numbers after the comma. I've tried parseInt and parseFloat . How can I do this?
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using jquery $.ajax to call a PHP function
...cally put that PHP script inside a function and call the PHP function from javascript.
6 Answers
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Pad a number with leading zeros in JavaScript [duplicate]
In JavaScript, I need to have padding.
9 Answers
9
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How to check if a variable is null or empty string or all whitespace in JavaScript?
I need to check to see if a variable is null or has all empty spaces or is just blank ("").
12 Answers
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