Revision: 69926
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at October 10, 2015 19:33 by Waltem
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var ary = ["JavaScript", "Java", "CoffeeScript", "TypeScript"];
ary.some(function (value, index, _ary) {
console.log(index + ": " + value);
return value === "CoffeeScript";
});
// output:
// 0: JavaScript
// 1: Java
// 2: CoffeeScript
ary.every(function(value, index, _ary) {
console.log(index + ": " + value);
return value.indexOf("Script") > -1;
});
// output:
// 0: JavaScript
// 1: Java
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Array.prototype.forEach You can't break forEach. So use "some" or "every". Array.prototype.some some is pretty much the same as forEach but it break when the callback returns true. Array.prototype.every every is almost identical to some except it's expecting false to break the loop.
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forEach. How to break?
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array
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JavaScript