CODEWITHSUNDEEP
javascriptjqueryhtml
user882196
user882196

Reputation: 1721

I want to have a list of color in javascript

I want to have a list of colors in javascript and I have a action which will take first color from the list and somehow remembers that he has taken the first color. So next time when i perform the same action again he will take the next color from list and so on.

How to achieve this.?

Upvotes: 0

Views: 3218

Answers (3)

coderzach
coderzach

Reputation: 388

This can be done easily with array methods

//initialize your list of colors 
var unchosenColors = ['#fff', '#456', '#987878']
  , chosenColors = []

//you want to call this when the user chooses a color, (click, keypress, etc)
function chooseColor() {
  //remove the first unchosen color and put it in the list of chosen colors
  chosenColors.unshift(unchosenColors.shift())
}
//then, to get the most recently chosen color:
chosenColors[0]

Upvotes: 0

ChrisR
ChrisR

Reputation: 14447

Put your colors in an array and use the pop() or shift() methods on it to get the first or last element from that array.

var colors = ['red', 'blue', 'green', 'yellow'];
alert(colors.shift());
alert(colors.shift());
// and so on ...

Upvotes: 2

Interrobang
Interrobang

Reputation: 17434

var colors = ['red', 'green', 'blue'];
while(colors.length) {
    var color = colors.shift();
    // do something with color. They will come in the order 'red','green','blue'
}

Upvotes: 0

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