How to define custom sort function in javascript?

问题:

I use atocomplete.jquery plugin to suggest input text, as the result i get this array:

['White 023','White','White flower', 'Teatr']

When i start to search something thats begin from "te" substring it shows me array sorting like this:

'White','White 023','White flower', 'Teatr'

I need something like this:

 'Teatr','White','White 023','White flower'

Any ideas?

回答1:

It could be that the plugin is case-sensitive. Try inputting Te instead of te. You can probably have your results setup to not be case-sensitive. This question might help.

For a custom sort function on an Array, you can use any JavaScript function and pass it as parameter to an Array's sort() method like this:

var array = ['White 023', 'White', 'White flower', 'Teatr'];

array.sort(function(x, y) {
  if (x < y) {
    return -1;
  }
  if (x > y) {
    return 1;
  }
  return 0;
});

// Teatr White White 023 White flower
document.write(array);

More Info here on Array.sort.

回答2:

For Objects try this:

function sortBy(field) {
    return function(a, b) {
        if (a[field] > b[field]) {
            return -1;
        } else if (a[field] < b[field]) {
            return 1;
        }
        return 0;
    };
}

回答3:

or shorter

function sortBy(field) {
  return function(a, b) {
    return (a[field] > b[field]) - (a[field] < b[field])
  };
}

let myArray = [
    {tabid: 6237, url: 'https://reddit.com/r/znation'},
    {tabid: 8430, url: 'https://reddit.com/r/soccer'},
    {tabid: 1400, url: 'https://reddit.com/r/askreddit'},
    {tabid: 3620, url: 'https://reddit.com/r/tacobell'},
    {tabid: 5753, url: 'https://reddit.com/r/reddevils'},
]

myArray.sort(sortBy('url'));
console.log(myArray);

回答4:

function msort(arr){
    for(var i =0;i<arr.length;i++){
        for(var j= i+1;j<arr.length;j++){
            if(arr[i]>arr[j]){
                var swap = arr[i];
                arr[i] = arr[j];
                arr[j] = swap;
            }
        }
    }
return arr;
}