25 lines
603 B
HTML
25 lines
603 B
HTML
<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta http-equiv="X-UA-Compatible" content="IE=edge">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Document</title>
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</head>
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<body>
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<button>测试1</button>
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<button>测试2</button>
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<button>测试3</button>
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<script>
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var btns = document.getElementsByTagName('button')
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for (let i = 0; i < btns.length; i++) {
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btns[i].onclick = function () {
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console.log('第' + (i + 1) + '个')
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}
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}
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</script>
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</body>
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</html> |