javascript 9x9乘法口诀表

	<style>
		div#table9x9{
			box-sizing: border-box;
			border: 1px solid #666;
			border-top: none;
			border-right: none;
			display: inline-block;
			font-size: 14px;
		}
		div#table9x9 span{
			display: inline-block;
			 80px;
			border: 1px solid #666;
			border-bottom: none;
			border-left: none;
			padding: 4px 6px;
		}
	</style>
	<script>
		/*
		 * javascript-js-9x9乘法口诀表
		 */
		document.write(`<div id="table9x9">`)
		for(let i = 1 ; i <= 9 ; i++ ){
			for(let j = 1 ; j <= i ; j++ ){
				document.write(`<span>${j} x ${i} = ${i*j}</span>`)
			}
			document.write(`<br/>`)
		}
		document.write(`</div>`)
	</script>