Change uppercase letters of strings in js to lowercase letters - Code World

Change uppercase letters of strings in js to lowercase letters

Others 2021-03-21 15:03:28 views: null

<script>
	var chara = prompt('请输入一行字符串');
	var num = 0
	for(var i = 0; i < chara.length; i++){
    
    
		if(chara[i].charCodeAt() >= 65 && chara[i].charCodeAt() <= 90){
    
    
			document.write(chara[i].toLowerCase());
		} 
	}
</script>

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Origin blog.csdn.net/weixin_48727085/article/details/107706957

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