Wer*_*rl_ 2 javascript variables boolean
How do I check if at least 1 out of a group of variables is true. For example:
var v1 = false;
var v2 = false;
var v3 = false;
var v4 = false;
var v5 = false;
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Let's say that I have 5 buttons and the variable of v1 changes every time I click on button1 and so on. Let's suppose that I click on button4 and v4 changes to true. How do I check if at least one of the 5 variables is true. Something like this:
if(1/5 variables is true) {do something}
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Should I create an array or something?
Ale*_*lex 13
if([v1, v2, v3, v4, v5].some(item => item)) {
//code
}
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This is conditional OR operation:
if (v1 || v2 || v3 || v4 || v5) { do something }
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这是这方面最简单的解决方案。但.some()也比较棘手,但也是很好的方法。一探究竟。
如果它是 100 个元素,你不能写(v1 || v2 ...|| v100),那么使用.some()会有所帮助。
例子:
if (v1 || v2 || v3 || v4 || v5) { do something }
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