{"json_modified": "2015-04-17T06:51:53.920242", "slug": "Web/JavaScript/Reference/Global_Objects/Math/clz32", "tags": [], "locale": "zh-CN", "title": "Math.clz32()", "translations": [{"title": "Math.clz32()", "url": "/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/clz32", "tags": ["Reference", "Experimental", "R\u00e9f\u00e9rence", "Math", "Exp\u00e9rimental", "JavaScript", "ECMAScript6", "Method"], "summary": "The <strong><code>Math.clz32()</code></strong> function returns the number of leading zero bits in the 32-bit binary representation of a number.", "localization_tags": [], "locale": "en-US", "last_edit": "2015-02-05T01:02:14", "review_tags": []}, {"title": "Math.clz32()", "url": "/fr/docs/Web/JavaScript/Reference/Objets_globaux/Math/clz32", "tags": ["polyfill", "Reference", "Experimental", "R\u00e9f\u00e9rence", "Math", "Exp\u00e9rimental", "JavaScript", "ECMAScript6", "Method"], "summary": "La fonction <code><strong>Math.clz32()</strong></code> renvoie le nombre de z\u00e9ros commen\u00e7ant un nombre r\u00e9pr\u00e9sent\u00e9 en binaire sur 32 bits .", "localization_tags": [], "locale": "fr", "last_edit": "2015-02-06T12:46:38", "review_tags": []}, {"title": "Math.clz32()", "url": "/ru/docs/Web/JavaScript/Reference/Global_Objects/Math/clz32", "tags": ["Reference", "Experimental", "R\u00e9f\u00e9rence", "Math", "Exp\u00e9rimental", "JavaScript", "ECMAScript6", "Method"], "summary": "\u041c\u0435\u0442\u043e\u0434 <strong><code>Math.clz32()</code></strong> \u0432\u043e\u0437\u0432\u0440\u0430\u0449\u0430\u0435\u0442 \u043a\u043e\u043b\u0438\u0447\u0435\u0441\u0442\u0432\u043e \u0432\u0435\u0434\u0443\u0449\u0438\u0445 \u043d\u0443\u043b\u0435\u0432\u044b\u0445 \u0431\u0438\u0442\u043e\u0432 \u0432 32-\u0431\u0438\u0442\u043d\u043e\u043c \u0434\u0432\u043e\u0438\u0447\u043d\u043e\u043c \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u0438\u0438 \u0447\u0438\u0441\u043b\u0430.", "localization_tags": [], "locale": "ru", "last_edit": "2015-02-05T01:16:55", "review_tags": []}], "modified": "2015-04-17T06:51:52", "label": "Math.clz32()", "localization_tags": [], "url": "/zh-CN/docs/Web/JavaScript/Reference/Global_Objects/Math/clz32", "last_edit": "2015-04-17T06:17:03", "summary": "<code><strong>Math.clz32() </strong></code>\u51fd\u6570\u8fd4\u56de\u4e00\u4e2a\u6570\u5b57\u5728\u8f6c\u6362\u6210 32 \u65e0\u7b26\u53f7\u6574\u5f62\u6570\u5b57\u7684\u4e8c\u8fdb\u5236\u5f62\u5f0f\u540e, \u5f00\u5934\u7684 0 \u7684\u4e2a\u6570, \u6bd4\u5982 <code>1000000</code> \u8f6c\u6362\u6210 32 \u4f4d\u65e0\u7b26\u53f7\u6574\u5f62\u6570\u5b57\u7684\u4e8c\u8fdb\u5236\u5f62\u5f0f\u540e\u662f <code>00000000000011110100001001000000</code>, \u5f00\u5934\u7684 0 \u7684\u4e2a\u6570\u662f 12 \u4e2a, \u5219\u00a0<code>Math.clz32(1000000)</code> \u8fd4\u56de <code>12</code>.", "sections": [{"id": "Quick_Links", "title": "JavaScript \u6807\u51c6\u5e93 Math \u5c5e\u6027 Math.E Math.LN10 Math.LN2 Math.LOG10E Math.LOG2E Math.PI Math.SQRT1_2 Math.SQRT2 \u65b9\u6cd5 Math.abs() Math.acos() Math.acosh() [Translate] Math.asin() Math.asinh() [Translate] Math.atan() Math.atan2() Math.atanh() [Translate] Math.cbrt() Math.ceil() Math.clz32() Math.cos() Math.cosh() [Translate] Math.exp() Math.expm1() Math.floor() Math.fround() Math.hypot() Math.imul() Math.log() Math.log10() Math.log1p() Math.log2() Math.max() Math.min() Math.pow() Math.random() Math.round() Math.sign() Math.sin() Math.sinh() Math.sqrt() Math.tan() Math.tanh() [Translate] Math.trunc() \u7ee7\u627f Object \u5c5e\u6027 Object.prototype.__count__ [Translate] Object.prototype.__noSuchMethod__ [Translate] __parent__ __proto__ constructor \u65b9\u6cd5 Object.prototype.__defineGetter__() Object.prototype.__defineSetter__() Object.prototype.__lookupGetter__() Object.prototype.__lookupSetter__() [Translate] Object.prototype.hasOwnProperty() isPrototypeOf propertyIsEnumerable Object.prototype.toLocaleString() Object.toSource Object.prototype.toString() Object.prototype.unwatch() [Translate] Object.prototype.valueOf() watch"}, {"id": "Summary", "title": "\u6982\u8ff0"}, {"id": "Syntax", "title": "\u8bed\u6cd5"}, {"id": "Parameters", "title": "\u53c2\u6570"}, {"id": ".E6.8F.8F.E8.BF.B0", "title": "\u63cf\u8ff0"}, {"id": ".E7.A4.BA.E4.BE.8B", "title": "\u793a\u4f8b"}, {"id": "Compatibility", "title": "Polyfill"}, {"id": ".E8.A7.84.E8.8C.83", "title": "\u89c4\u8303"}, {"id": ".E6.B5.8F.E8.A7.88.E5.99.A8.E5.85.BC.E5.AE.B9.E6.80.A7", "title": "\u6d4f\u89c8\u5668\u517c\u5bb9\u6027"}, {"id": "See_also", "title": "\u76f8\u5173\u94fe\u63a5"}], "id": 93589, "review_tags": []}