嗨,我在这里有一个帖子 http://jsfiddle.net/7ztEf/9/这解释了我想要实现的目标。
我会分解它,我需要根据数组索引的值填充一个div bg,这是1-40之间的4个随机数,假设返回的数字是5,15,25,35。逻辑是,如果数字范围为 1-10,则 div bg 为红色,如果为 11-20,则为蓝色,等等
我一直在为这个自杀,真的需要一些最好的建议,非常感谢 P
function myNumbers(numbers, type) {
for (var x in numbers) {
document.getElementById(type + x).innerHTML = numbers[x];
/*
here I need to query each index value and apply to ball div, ie:
if index 0 numbers > 0) && numbers <= 10 than ball-0 div bg is red
if index 0 numbers > 11) && numbers <= 20 than ball-0 div bg is blue
if index 0 numbers > 21) && numbers <= 30 than ball-0 div bg is orange
if index 0 numbers > 31) && numbers <= 40 than ball-0 div bg is green
repeating for eack index value.
if index 1 numbers > 0) && numbers <= 10 than ball-1 div bg is red
etc
*/
}
myNumbers([5, 15, 25, 35], 'test-')
最佳答案
对于几种颜色,我会这样写:
for (var x = 0, n = numbers.length; x != n; ++x) {
var nr = numbers[x],
el = document.getElementById(type + x),
color;
el.innerHTML = nr;
if (nr > 0) {
if (nr <= 10) {
color = 'red';
} else if (nr <= 20) {
color = 'blue';
} else if (nr <= 30) {
color = 'orange';
} else if (nr <= 40) {
color = 'green';
}
}
if (color) {
el.style.color = color;
}
}
关于javascript - 数组索引 N.O. + 值(value),我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/15352734/