javascript1min read The some( ) method executes the callback function on each element present in the array and returns true immediately if at least one element passes the test condition otherwise it returns false.const users = [ { id:1,user:"gowtham"}, {id:2,user:"king"}, {id:3,user...
array.some(callback(element , index , array)) 其中element是array中的每个元素,index是当前元素的索引,array是元素所在的数组本身。只有element是必选的参数,index和array是可选的。 2.2、返回值 如果callback函数在数组的任何元素上返回true,则array.some()返回true。 如果callback函数对所有元素都返回false,则ar...
somereturns abooleanvalue after passing each item in the source array through the test function that you pass in as the first parameter. This makes it well suited to the types of queries that require a simpleyesornoanswer. In this lesson we look at 2 practical use-cases forsome. The firs...
JavaScript Array some() 方法JavaScript Array 对象实例检测数组中是否有元素大于 18:var ages = [3, 10, 18, 20];function checkAdult(age) { return age >= 18;}function myFunction() { document.getElementById("demo").innerHTML = ages.some(checkAdult);}...
Array Tutorials: Array Tutorial Array Const Basic Array Methods Array Search Methods Array Sort Methods Array Iteration Methods Browser Support some()is an ECMAScript3 (JavaScript 1999) feature. ChromeEdgeFirefoxSafariOperaIE YesYesYesYesYesYes ...
Returns true if any of the elements in the array pass the test, otherwise it returns false JavaScript Version: 1.6More ExamplesExample Check if any of the values in the ages array are a specific number or over: Minimum age: Try itAny ages above: var ages = [4, 12, 16, 20]; funct...
Learn about the JavaScript Array some() method, its syntax, and how to use it effectively in your code with examples.
somereturns abooleanvalue after passing each item in the source array through the test function that you pass in as the first parameter. This makes it well suited to the types of queries that require a simpleyesornoanswer. In this lesson we look at 2 practical use-cases forsome. The firs...
array.some(function(currentValue, index, arr), thisValue)参数值参数描述 currentValue 必需。当前元素的值。 index 可选。当前元素的数组索引。 arr 可选。当前元素所属的数组对象thisValue 可选。要传递给函数以用作其 "this" 值的值。如果此参数为空,则值 "undefined" 将作为其 "this" 值传递。
JavaScript Array 对象实例检测数组中是否有元素大于 18:var ages = [3, 10, 18, 20];function checkAdult(age) { return age >= 18;}function myFunction() { document.getElementById("demo").innerHTML = ages.some(checkAdult);} 输出结果为:true...