Answers for "javascript loop backwards through array remove items"

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javascript removing items looping through array

var colors=["red","green","blue","yellow"];
//loop back-words through array when removing items like so:
for (var i = colors.length - 1; i >= 0; i--) {
    if (colors[i] === "green" || colors[i] === "blue") { 
        colors.splice(i, 1);
    }
}
//colors is now Â ["red", "yellow"]

Posted by: Guest on August-02-2019

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