sbi-cording-test.js

/***********
 Discription
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// Name: Takayuki Tamura

/***********
 Text field
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function test1(ary) {

	let target;
	for (let i = 0; i < ary.length - 3; i+=3) {
		if(ary[i] !== ary[i+2]) {
			target = i;
			break;
		}
	}	

	return typeof target !== 'undefined' 
		? ary[target]
		: ary[ary.length-1];
}

function test2(ary) {

	let swp = new Array(ary.length);

	for(let i = 0; i < ary.length; i+=4) {

		if (typeof ary[i+2] !== 'undefined') {
			swp[i] = ary[i+2];
			swp[i+2] = ary[i];
		} else if (typeof ary[i] !== 'undefined') {
			swp[i] = ary[i];
		}

		if (typeof ary[i+3] !== 'undefined') {
			swp[i+1] = ary[i+3];
			swp[i+3] = ary[i+1];
		} else if (typeof ary[i+1] !== 'undefined') {
			swp[i+1] = ary[i+1];
		}
	}

	return swp;
}