在数组javascript中搜索值
javascript中是否有内置函数来执行此操作,或者这只是一个选项?请看下面的代码:在数组javascript中搜索值,javascript,Javascript,javascript中是否有内置函数来执行此操作,或者这只是一个选项?请看下面的代码: var arr=[1,3,4,'+','-', or whatever] function value_check(user_click){ var operators=['+','-','/','*','.'] for (var i=0;i<operators.length;i++){ if (arr[arr.length-1]==operators[i]){var value1=
var arr=[1,3,4,'+','-', or whatever]
function value_check(user_click){
var operators=['+','-','/','*','.']
for (var i=0;i<operators.length;i++){
if (arr[arr.length-1]==operators[i]){var value1='operator found';}
if (user_click==operators[i]){
var value2= value1;alert("consecutive operators"); break;
}
}
}
是的,有一些选择: arrayName.indexOf()是您需要的
if (arr[arr.length-1] && user_click BOTH ARE IN operators array)
alert("consecutive operators)