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Extending an Object in Javascript
I am currently transforming from Java to Javascript, and it's a bit hard for me to figure out how to extend objects the way I want it to do.
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Lua简明教程 - 更多技术 - 清泛网 - 专注C/C++及内核技术
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print(sum)
until sum >1000
函数
Lua的函数和Javascript的很像
递归
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function fib(n)
if n < 2 then return 1 end
return fib(n - 2) + fib(n - 1)
end
闭包
同样，Javascript附体！
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pass string parameter in an onclick function
... name='gotoNode'
data-arg1='1234'>GotoNode</button>
On javascript layer:
invoke = (event) => {
let nameOfFunction = this[event.target.name];
let arg1 = event.target.getAttribute('data-arg1');
//We can add more args as needed...
window[nameOfFunction](arg1)
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How to parse Excel (XLS) file in Javascript/HTML5
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};
</script>
Below post has the code for XLS format Excel to JSON javascript code?
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Preloading images with JavaScript
...-003.jpg"
)
Source: http://perishablepress.com/3-ways-preload-images-css-javascript-ajax/
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JavaScript displaying a float to 2 decimal places
...answer is following this link: http://www.jacklmoore.com/notes/rounding-in-javascript/
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Add a tooltip to a div
...tooltip, you want:
<div title="This is my tooltip">
For a fancier javascript version, you can look into:
https://jqueryhouse.com/best-jquery-tooltip-plugins/
The above link gives you 25 options for tooltips.
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How do you specify that a class property is an integer?
... see:
"...The Number primitive type corresponds to the similarly named JavaScript primitive type and represents double-precision 64-bit format IEEE 754 floating point values..."
I think int is a bug in Visual Studio intelliSense. The correct is number.
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Remove Object from Array using JavaScript
...s that it does not work on IE < 9. However, you can include code from a Javascript library (e.g. underscore.js) that implements this for any browser.
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How to get the difference between two arrays in JavaScript?
Is there a way to return the difference between two arrays in JavaScript?
69 Answers
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